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Finding the Fourth Proportional to 500,060,758.60, 750,091,137.90 and 472,000,673.80

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Solution

The fourth proportional to 500,060,758.60, 750,091,137.90 and 472,000,673.80 is: 708,001,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,060,758.60 : 750,091,137.90 = 472,000,673.80 : x
  2. Step 2: Convert to fraction form
    500,060,758.60/750,091,137.90 = 472,000,673.80/x
  3. Step 3: Cross multiply
    500,060,758.60x = 750,091,137.90 × 472,000,673.80
  4. Step 4: Simplify right side
    500,060,758.60x = 354,043,522,500,208,704
  5. Step 5: Solve for x
    x = 354,043,522,500,208,704/500,060,758.60
  6. Step 6: Final answer
    x = 708,001,010.70

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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.