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Finding the Fourth Proportional to 473,691,936.60, 710,699,218.56 and 255,363,376.68

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Solution

The fourth proportional to 473,691,936.60, 710,699,218.56 and 255,363,376.68 is: 383,132,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,691,936.60 : 710,699,218.56 = 255,363,376.68 : x
  2. Step 2: Convert to fraction form
    473,691,936.60/710,699,218.56 = 255,363,376.68/x
  3. Step 3: Cross multiply
    473,691,936.60x = 710,699,218.56 × 255,363,376.68
  4. Step 4: Simplify right side
    473,691,936.60x = 181,486,552,255,318,912
  5. Step 5: Solve for x
    x = 181,486,552,255,318,912/473,691,936.60
  6. Step 6: Final answer
    x = 383,132,027.87

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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.