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Finding the Fourth Proportional to 403,797,182.40, 605,695,773.60 and 249,944,356.80

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Solution

The fourth proportional to 403,797,182.40, 605,695,773.60 and 249,944,356.80 is: 374,916,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,797,182.40 : 605,695,773.60 = 249,944,356.80 : x
  2. Step 2: Convert to fraction form
    403,797,182.40/605,695,773.60 = 249,944,356.80/x
  3. Step 3: Cross multiply
    403,797,182.40x = 605,695,773.60 × 249,944,356.80
  4. Step 4: Simplify right side
    403,797,182.40x = 151,390,240,548,930,432
  5. Step 5: Solve for x
    x = 151,390,240,548,930,432/403,797,182.40
  6. Step 6: Final answer
    x = 374,916,535.20

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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.