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Finding the Fourth Proportional to 703,967,562.40, 1,055,951,343.60 and 656,191,818.40

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Solution

The fourth proportional to 703,967,562.40, 1,055,951,343.60 and 656,191,818.40 is: 984,287,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,967,562.40 : 1,055,951,343.60 = 656,191,818.40 : x
  2. Step 2: Convert to fraction form
    703,967,562.40/1,055,951,343.60 = 656,191,818.40/x
  3. Step 3: Cross multiply
    703,967,562.40x = 1,055,951,343.60 × 656,191,818.40
  4. Step 4: Simplify right side
    703,967,562.40x = 692,906,632,298,807,168
  5. Step 5: Solve for x
    x = 692,906,632,298,807,168/703,967,562.40
  6. Step 6: Final answer
    x = 984,287,727.60

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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.