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Finding the Fourth Proportional to 890,764, 1,332,797.92 and 625,043.04

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Solution

The fourth proportional to 890,764, 1,332,797.92 and 625,043.04 is: 935,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,764 : 1,332,797.92 = 625,043.04 : x
  2. Step 2: Convert to fraction form
    890,764/1,332,797.92 = 625,043.04/x
  3. Step 3: Cross multiply
    890,764x = 1,332,797.92 × 625,043.04
  4. Step 4: Simplify right side
    890,764x = 833,056,063,622.48
  5. Step 5: Solve for x
    x = 833,056,063,622.48/890,764
  6. Step 6: Final answer
    x = 935,215.24

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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.