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Finding the Fourth Proportional to 532,397.54, 797,788.25 and 390,337.38

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Solution

The fourth proportional to 532,397.54, 797,788.25 and 390,337.38 is: 584,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,397.54 : 797,788.25 = 390,337.38 : x
  2. Step 2: Convert to fraction form
    532,397.54/797,788.25 = 390,337.38/x
  3. Step 3: Cross multiply
    532,397.54x = 797,788.25 × 390,337.38
  4. Step 4: Simplify right side
    532,397.54x = 311,406,573,348.10
  5. Step 5: Solve for x
    x = 311,406,573,348.10/532,397.54
  6. Step 6: Final answer
    x = 584,913.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.