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Finding the Fourth Proportional to 578,540.59, 798,290.97 and 363,528.38

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Solution

The fourth proportional to 578,540.59, 798,290.97 and 363,528.38 is: 501,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,540.59 : 798,290.97 = 363,528.38 : x
  2. Step 2: Convert to fraction form
    578,540.59/798,290.97 = 363,528.38/x
  3. Step 3: Cross multiply
    578,540.59x = 798,290.97 × 363,528.38
  4. Step 4: Simplify right side
    578,540.59x = 290,201,423,092.73
  5. Step 5: Solve for x
    x = 290,201,423,092.73/578,540.59
  6. Step 6: Final answer
    x = 501,609.44

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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.