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Finding the Fourth Proportional to 725,784,564.90, 1,088,676,847.35 and 650,957,672.10

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Solution

The fourth proportional to 725,784,564.90, 1,088,676,847.35 and 650,957,672.10 is: 976,436,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,784,564.90 : 1,088,676,847.35 = 650,957,672.10 : x
  2. Step 2: Convert to fraction form
    725,784,564.90/1,088,676,847.35 = 650,957,672.10/x
  3. Step 3: Cross multiply
    725,784,564.90x = 1,088,676,847.35 × 650,957,672.10
  4. Step 4: Simplify right side
    725,784,564.90x = 708,682,546,220,123,008
  5. Step 5: Solve for x
    x = 708,682,546,220,123,008/725,784,564.90
  6. Step 6: Final answer
    x = 976,436,508.15

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Double scale
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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.