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Finding the Fourth Proportional to 398,785.59, 596,773.22 and 249,096.38

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Solution

The fourth proportional to 398,785.59, 596,773.22 and 249,096.38 is: 372,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,785.59 : 596,773.22 = 249,096.38 : x
  2. Step 2: Convert to fraction form
    398,785.59/596,773.22 = 249,096.38/x
  3. Step 3: Cross multiply
    398,785.59x = 596,773.22 × 249,096.38
  4. Step 4: Simplify right side
    398,785.59x = 148,654,044,553.60
  5. Step 5: Solve for x
    x = 148,654,044,553.60/398,785.59
  6. Step 6: Final answer
    x = 372,766.84

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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.