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Finding the Fourth Proportional to 534,854,491.20, 802,281,736.80 and 534,854,491.20

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Solution

The fourth proportional to 534,854,491.20, 802,281,736.80 and 534,854,491.20 is: 802,281,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,854,491.20 : 802,281,736.80 = 534,854,491.20 : x
  2. Step 2: Convert to fraction form
    534,854,491.20/802,281,736.80 = 534,854,491.20/x
  3. Step 3: Cross multiply
    534,854,491.20x = 802,281,736.80 × 534,854,491.20
  4. Step 4: Simplify right side
    534,854,491.20x = 429,103,990,135,216,256
  5. Step 5: Solve for x
    x = 429,103,990,135,216,256/534,854,491.20
  6. Step 6: Final answer
    x = 802,281,736.80

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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.