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Finding the Fourth Proportional to 587,248.76, 810,460.17 and 329,169.55

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Solution

The fourth proportional to 587,248.76, 810,460.17 and 329,169.55 is: 454,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,248.76 : 810,460.17 = 329,169.55 : x
  2. Step 2: Convert to fraction form
    587,248.76/810,460.17 = 329,169.55/x
  3. Step 3: Cross multiply
    587,248.76x = 810,460.17 × 329,169.55
  4. Step 4: Simplify right side
    587,248.76x = 266,778,806,202.97
  5. Step 5: Solve for x
    x = 266,778,806,202.97/587,248.76
  6. Step 6: Final answer
    x = 454,285.86

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1.5x scale

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.