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Finding the Fourth Proportional to 314,929,793.80, 472,394,690.70 and 237,331,534.60

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Solution

The fourth proportional to 314,929,793.80, 472,394,690.70 and 237,331,534.60 is: 355,997,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,793.80 : 472,394,690.70 = 237,331,534.60 : x
  2. Step 2: Convert to fraction form
    314,929,793.80/472,394,690.70 = 237,331,534.60/x
  3. Step 3: Cross multiply
    314,929,793.80x = 472,394,690.70 × 237,331,534.60
  4. Step 4: Simplify right side
    314,929,793.80x = 112,114,156,880,723,344
  5. Step 5: Solve for x
    x = 112,114,156,880,723,344/314,929,793.80
  6. Step 6: Final answer
    x = 355,997,301.90

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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.