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Finding the Fourth Proportional to 608,691.44, 913,355.56 and 249,129.20

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Solution

The fourth proportional to 608,691.44, 913,355.56 and 249,129.20 is: 373,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,691.44 : 913,355.56 = 249,129.20 : x
  2. Step 2: Convert to fraction form
    608,691.44/913,355.56 = 249,129.20/x
  3. Step 3: Cross multiply
    608,691.44x = 913,355.56 × 249,129.20
  4. Step 4: Simplify right side
    608,691.44x = 227,543,539,978.35
  5. Step 5: Solve for x
    x = 227,543,539,978.35/608,691.44
  6. Step 6: Final answer
    x = 373,824.12

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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.