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Finding the Fourth Proportional to 574,392,761.60, 861,594,057.60 and 191,440,313.60

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Solution

The fourth proportional to 574,392,761.60, 861,594,057.60 and 191,440,313.60 is: 287,162,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,392,761.60 : 861,594,057.60 = 191,440,313.60 : x
  2. Step 2: Convert to fraction form
    574,392,761.60/861,594,057.60 = 191,440,313.60/x
  3. Step 3: Cross multiply
    574,392,761.60x = 861,594,057.60 × 191,440,313.60
  4. Step 4: Simplify right side
    574,392,761.60x = 164,943,836,582,840,448
  5. Step 5: Solve for x
    x = 164,943,836,582,840,448/574,392,761.60
  6. Step 6: Final answer
    x = 287,162,108.60

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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.