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Finding the Fourth Proportional to 708,591,505.60, 1,062,887,258.40 and 708,591,505.60

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Solution

The fourth proportional to 708,591,505.60, 1,062,887,258.40 and 708,591,505.60 is: 1,062,887,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,591,505.60 : 1,062,887,258.40 = 708,591,505.60 : x
  2. Step 2: Convert to fraction form
    708,591,505.60/1,062,887,258.40 = 708,591,505.60/x
  3. Step 3: Cross multiply
    708,591,505.60x = 1,062,887,258.40 × 708,591,505.60
  4. Step 4: Simplify right side
    708,591,505.60x = 753,152,882,712,712,192
  5. Step 5: Solve for x
    x = 753,152,882,712,712,192/708,591,505.60
  6. Step 6: Final answer
    x = 1,062,887,258.40

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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.