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Finding the Fourth Proportional to 534,990,538.20, 802,485,807.30 and 534,990,538.20

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Solution

The fourth proportional to 534,990,538.20, 802,485,807.30 and 534,990,538.20 is: 802,485,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,990,538.20 : 802,485,807.30 = 534,990,538.20 : x
  2. Step 2: Convert to fraction form
    534,990,538.20/802,485,807.30 = 534,990,538.20/x
  3. Step 3: Cross multiply
    534,990,538.20x = 802,485,807.30 × 534,990,538.20
  4. Step 4: Simplify right side
    534,990,538.20x = 429,322,313,945,288,448
  5. Step 5: Solve for x
    x = 429,322,313,945,288,448/534,990,538.20
  6. Step 6: Final answer
    x = 802,485,807.30

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Double scale
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Similar ratio
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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.