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Finding the Fourth Proportional to 888,750.96, 1,332,711.72 and 514,880.88

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Solution

The fourth proportional to 888,750.96, 1,332,711.72 and 514,880.88 is: 772,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,750.96 : 1,332,711.72 = 514,880.88 : x
  2. Step 2: Convert to fraction form
    888,750.96/1,332,711.72 = 514,880.88/x
  3. Step 3: Cross multiply
    888,750.96x = 1,332,711.72 × 514,880.88
  4. Step 4: Simplify right side
    888,750.96x = 686,187,783,179.91
  5. Step 5: Solve for x
    x = 686,187,783,179.91/888,750.96
  6. Step 6: Final answer
    x = 772,081.06

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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.