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Finding the Fourth Proportional to 499,392,001.70, 749,088,002.55 and 499,392,001.70

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Solution

The fourth proportional to 499,392,001.70, 749,088,002.55 and 499,392,001.70 is: 749,088,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,392,001.70 : 749,088,002.55 = 499,392,001.70 : x
  2. Step 2: Convert to fraction form
    499,392,001.70/749,088,002.55 = 499,392,001.70/x
  3. Step 3: Cross multiply
    499,392,001.70x = 749,088,002.55 × 499,392,001.70
  4. Step 4: Simplify right side
    499,392,001.70x = 374,088,557,042,899,200
  5. Step 5: Solve for x
    x = 374,088,557,042,899,200/499,392,001.70
  6. Step 6: Final answer
    x = 749,088,002.55

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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.