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Finding the Fourth Proportional to 494,882,402.60, 742,801,900.80 and 249,516,092.90

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Solution

The fourth proportional to 494,882,402.60, 742,801,900.80 and 249,516,092.90 is: 374,515,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,882,402.60 : 742,801,900.80 = 249,516,092.90 : x
  2. Step 2: Convert to fraction form
    494,882,402.60/742,801,900.80 = 249,516,092.90/x
  3. Step 3: Cross multiply
    494,882,402.60x = 742,801,900.80 × 249,516,092.90
  4. Step 4: Simplify right side
    494,882,402.60x = 185,341,028,086,309,376
  5. Step 5: Solve for x
    x = 185,341,028,086,309,376/494,882,402.60
  6. Step 6: Final answer
    x = 374,515,293.15

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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.