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Finding the Fourth Proportional to 659,888.52, 910,648.56 and 358,082.52

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Solution

The fourth proportional to 659,888.52, 910,648.56 and 358,082.52 is: 494,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,888.52 : 910,648.56 = 358,082.52 : x
  2. Step 2: Convert to fraction form
    659,888.52/910,648.56 = 358,082.52/x
  3. Step 3: Cross multiply
    659,888.52x = 910,648.56 × 358,082.52
  4. Step 4: Simplify right side
    659,888.52x = 326,087,331,199.17
  5. Step 5: Solve for x
    x = 326,087,331,199.17/659,888.52
  6. Step 6: Final answer
    x = 494,155.18

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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.