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Finding the Fourth Proportional to 888,748.96, 1,332,708.72 and 514,878.88

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Solution

The fourth proportional to 888,748.96, 1,332,708.72 and 514,878.88 is: 772,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,748.96 : 1,332,708.72 = 514,878.88 : x
  2. Step 2: Convert to fraction form
    888,748.96/1,332,708.72 = 514,878.88/x
  3. Step 3: Cross multiply
    888,748.96x = 1,332,708.72 × 514,878.88
  4. Step 4: Simplify right side
    888,748.96x = 686,183,573,119.83
  5. Step 5: Solve for x
    x = 686,183,573,119.83/888,748.96
  6. Step 6: Final answer
    x = 772,078.06

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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.