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Finding the Fourth Proportional to 713,219.69, 984,344.09 and 441,375.14

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Solution

The fourth proportional to 713,219.69, 984,344.09 and 441,375.14 is: 609,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,219.69 : 984,344.09 = 441,375.14 : x
  2. Step 2: Convert to fraction form
    713,219.69/984,344.09 = 441,375.14/x
  3. Step 3: Cross multiply
    713,219.69x = 984,344.09 × 441,375.14
  4. Step 4: Simplify right side
    713,219.69x = 434,465,010,785.91
  5. Step 5: Solve for x
    x = 434,465,010,785.91/713,219.69
  6. Step 6: Final answer
    x = 609,160.14

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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.