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Finding the Fourth Proportional to 539,404.60, 809,301.30 and 224,087.80

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Solution

The fourth proportional to 539,404.60, 809,301.30 and 224,087.80 is: 336,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,404.60 : 809,301.30 = 224,087.80 : x
  2. Step 2: Convert to fraction form
    539,404.60/809,301.30 = 224,087.80/x
  3. Step 3: Cross multiply
    539,404.60x = 809,301.30 × 224,087.80
  4. Step 4: Simplify right side
    539,404.60x = 181,354,547,854.14
  5. Step 5: Solve for x
    x = 181,354,547,854.14/539,404.60
  6. Step 6: Final answer
    x = 336,212.46

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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.