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Finding the Fourth Proportional to 956,754, 1,320,306.35 and 527,034.42

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Solution

The fourth proportional to 956,754, 1,320,306.35 and 527,034.42 is: 727,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,754 : 1,320,306.35 = 527,034.42 : x
  2. Step 2: Convert to fraction form
    956,754/1,320,306.35 = 527,034.42/x
  3. Step 3: Cross multiply
    956,754x = 1,320,306.35 × 527,034.42
  4. Step 4: Simplify right side
    956,754x = 695,846,888,759.40
  5. Step 5: Solve for x
    x = 695,846,888,759.40/956,754
  6. Step 6: Final answer
    x = 727,299.69

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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.