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Finding the Fourth Proportional to 534,863,063.70, 747,277,739.10 and 534,863,063.70

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Solution

The fourth proportional to 534,863,063.70, 747,277,739.10 and 534,863,063.70 is: 747,277,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,863,063.70 : 747,277,739.10 = 534,863,063.70 : x
  2. Step 2: Convert to fraction form
    534,863,063.70/747,277,739.10 = 534,863,063.70/x
  3. Step 3: Cross multiply
    534,863,063.70x = 747,277,739.10 × 534,863,063.70
  4. Step 4: Simplify right side
    534,863,063.70x = 399,691,260,969,835,264
  5. Step 5: Solve for x
    x = 399,691,260,969,835,264/534,863,063.70
  6. Step 6: Final answer
    x = 747,277,739.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.