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Finding the Fourth Proportional to 488,334,891.70, 732,502,337.55 and 422,577,925.30

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Solution

The fourth proportional to 488,334,891.70, 732,502,337.55 and 422,577,925.30 is: 633,866,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,334,891.70 : 732,502,337.55 = 422,577,925.30 : x
  2. Step 2: Convert to fraction form
    488,334,891.70/732,502,337.55 = 422,577,925.30/x
  3. Step 3: Cross multiply
    488,334,891.70x = 732,502,337.55 × 422,577,925.30
  4. Step 4: Simplify right side
    488,334,891.70x = 309,539,318,079,279,296
  5. Step 5: Solve for x
    x = 309,539,318,079,279,296/488,334,891.70
  6. Step 6: Final answer
    x = 633,866,887.95

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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.