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Finding the Fourth Proportional to 996,604.16, 1,375,294.56 and 543,898.40

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Solution

The fourth proportional to 996,604.16, 1,375,294.56 and 543,898.40 is: 750,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,604.16 : 1,375,294.56 = 543,898.40 : x
  2. Step 2: Convert to fraction form
    996,604.16/1,375,294.56 = 543,898.40/x
  3. Step 3: Cross multiply
    996,604.16x = 1,375,294.56 × 543,898.40
  4. Step 4: Simplify right side
    996,604.16x = 748,020,510,712.70
  5. Step 5: Solve for x
    x = 748,020,510,712.70/996,604.16
  6. Step 6: Final answer
    x = 750,569.32

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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.