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Finding the Fourth Proportional to 578,539.59, 798,289.59 and 363,527.38

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Solution

The fourth proportional to 578,539.59, 798,289.59 and 363,527.38 is: 501,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,539.59 : 798,289.59 = 363,527.38 : x
  2. Step 2: Convert to fraction form
    578,539.59/798,289.59 = 363,527.38/x
  3. Step 3: Cross multiply
    578,539.59x = 798,289.59 × 363,527.38
  4. Step 4: Simplify right side
    578,539.59x = 290,200,123,133.97
  5. Step 5: Solve for x
    x = 290,200,123,133.97/578,539.59
  6. Step 6: Final answer
    x = 501,608.06

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Half scale
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Double scale
Find fourth proportional to 578,540.59, 798,290.97 and 363,528.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.