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Finding the Fourth Proportional to 1,062,569.52, 1,465,793.48 and 674,721.36

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Solution

The fourth proportional to 1,062,569.52, 1,465,793.48 and 674,721.36 is: 930,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,569.52 : 1,465,793.48 = 674,721.36 : x
  2. Step 2: Convert to fraction form
    1,062,569.52/1,465,793.48 = 674,721.36/x
  3. Step 3: Cross multiply
    1,062,569.52x = 1,465,793.48 × 674,721.36
  4. Step 4: Simplify right side
    1,062,569.52x = 989,002,170,304.73
  5. Step 5: Solve for x
    x = 989,002,170,304.73/1,062,569.52
  6. Step 6: Final answer
    x = 930,764.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.