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Finding the Fourth Proportional to 501,696,031.20, 752,544,046.80 and 501,696,031.20

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Solution

The fourth proportional to 501,696,031.20, 752,544,046.80 and 501,696,031.20 is: 752,544,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,696,031.20 : 752,544,046.80 = 501,696,031.20 : x
  2. Step 2: Convert to fraction form
    501,696,031.20/752,544,046.80 = 501,696,031.20/x
  3. Step 3: Cross multiply
    501,696,031.20x = 752,544,046.80 × 501,696,031.20
  4. Step 4: Simplify right side
    501,696,031.20x = 377,548,361,582,747,008
  5. Step 5: Solve for x
    x = 377,548,361,582,747,008/501,696,031.20
  6. Step 6: Final answer
    x = 752,544,046.80

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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.