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Finding the Fourth Proportional to 715,394,724.20, 1,073,092,086.30 and 715,394,724.20

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Solution

The fourth proportional to 715,394,724.20, 1,073,092,086.30 and 715,394,724.20 is: 1,073,092,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,394,724.20 : 1,073,092,086.30 = 715,394,724.20 : x
  2. Step 2: Convert to fraction form
    715,394,724.20/1,073,092,086.30 = 715,394,724.20/x
  3. Step 3: Cross multiply
    715,394,724.20x = 1,073,092,086.30 × 715,394,724.20
  4. Step 4: Simplify right side
    715,394,724.20x = 767,684,417,119,791,104
  5. Step 5: Solve for x
    x = 767,684,417,119,791,104/715,394,724.20
  6. Step 6: Final answer
    x = 1,073,092,086.30

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Double scale
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1.5x scale

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.