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Finding the Fourth Proportional to 534,853,039.20, 802,279,558.80 and 534,853,039.20

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Solution

The fourth proportional to 534,853,039.20, 802,279,558.80 and 534,853,039.20 is: 802,279,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,853,039.20 : 802,279,558.80 = 534,853,039.20 : x
  2. Step 2: Convert to fraction form
    534,853,039.20/802,279,558.80 = 534,853,039.20/x
  3. Step 3: Cross multiply
    534,853,039.20x = 802,279,558.80 × 534,853,039.20
  4. Step 4: Simplify right side
    534,853,039.20x = 429,101,660,312,215,040
  5. Step 5: Solve for x
    x = 429,101,660,312,215,040/534,853,039.20
  6. Step 6: Final answer
    x = 802,279,558.80

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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.