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Finding the Fourth Proportional to 498,528,670.60, 747,793,005.90 and 413,594,014.60

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Solution

The fourth proportional to 498,528,670.60, 747,793,005.90 and 413,594,014.60 is: 620,391,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,528,670.60 : 747,793,005.90 = 413,594,014.60 : x
  2. Step 2: Convert to fraction form
    498,528,670.60/747,793,005.90 = 413,594,014.60/x
  3. Step 3: Cross multiply
    498,528,670.60x = 747,793,005.90 × 413,594,014.60
  4. Step 4: Simplify right side
    498,528,670.60x = 309,282,711,399,982,464
  5. Step 5: Solve for x
    x = 309,282,711,399,982,464/498,528,670.60
  6. Step 6: Final answer
    x = 620,391,021.90

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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.