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Finding the Fourth Proportional to 578,538.59, 798,288.21 and 363,526.38

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Solution

The fourth proportional to 578,538.59, 798,288.21 and 363,526.38 is: 501,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,538.59 : 798,288.21 = 363,526.38 : x
  2. Step 2: Convert to fraction form
    578,538.59/798,288.21 = 363,526.38/x
  3. Step 3: Cross multiply
    578,538.59x = 798,288.21 × 363,526.38
  4. Step 4: Simplify right side
    578,538.59x = 290,198,823,177.98
  5. Step 5: Solve for x
    x = 290,198,823,177.98/578,538.59
  6. Step 6: Final answer
    x = 501,606.69

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Double scale
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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.