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Finding the Fourth Proportional to 488,394,904.20, 732,592,356.30 and 294,684,659.70

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Solution

The fourth proportional to 488,394,904.20, 732,592,356.30 and 294,684,659.70 is: 442,026,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,394,904.20 : 732,592,356.30 = 294,684,659.70 : x
  2. Step 2: Convert to fraction form
    488,394,904.20/732,592,356.30 = 294,684,659.70/x
  3. Step 3: Cross multiply
    488,394,904.20x = 732,592,356.30 × 294,684,659.70
  4. Step 4: Simplify right side
    488,394,904.20x = 215,883,729,215,086,624
  5. Step 5: Solve for x
    x = 215,883,729,215,086,624/488,394,904.20
  6. Step 6: Final answer
    x = 442,026,989.55

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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.