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Finding the Fourth Proportional to 488,395,061.70, 732,592,592.55 and 294,684,817.20

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Solution

The fourth proportional to 488,395,061.70, 732,592,592.55 and 294,684,817.20 is: 442,027,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,395,061.70 : 732,592,592.55 = 294,684,817.20 : x
  2. Step 2: Convert to fraction form
    488,395,061.70/732,592,592.55 = 294,684,817.20/x
  3. Step 3: Cross multiply
    488,395,061.70x = 732,592,592.55 × 294,684,817.20
  4. Step 4: Simplify right side
    488,395,061.70x = 215,883,914,217,670,816
  5. Step 5: Solve for x
    x = 215,883,914,217,670,816/488,395,061.70
  6. Step 6: Final answer
    x = 442,027,225.80

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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.