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Finding the Fourth Proportional to 532,998,680.80, 799,498,021.20 and 532,998,680.80

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Solution

The fourth proportional to 532,998,680.80, 799,498,021.20 and 532,998,680.80 is: 799,498,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,998,680.80 : 799,498,021.20 = 532,998,680.80 : x
  2. Step 2: Convert to fraction form
    532,998,680.80/799,498,021.20 = 532,998,680.80/x
  3. Step 3: Cross multiply
    532,998,680.80x = 799,498,021.20 × 532,998,680.80
  4. Step 4: Simplify right side
    532,998,680.80x = 426,131,390,601,810,496
  5. Step 5: Solve for x
    x = 426,131,390,601,810,496/532,998,680.80
  6. Step 6: Final answer
    x = 799,498,021.20

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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.