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Finding the Fourth Proportional to 445,230.28, 614,496.72 and 337,618.90

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Solution

The fourth proportional to 445,230.28, 614,496.72 and 337,618.90 is: 465,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,230.28 : 614,496.72 = 337,618.90 : x
  2. Step 2: Convert to fraction form
    445,230.28/614,496.72 = 337,618.90/x
  3. Step 3: Cross multiply
    445,230.28x = 614,496.72 × 337,618.90
  4. Step 4: Simplify right side
    445,230.28x = 207,465,706,660.01
  5. Step 5: Solve for x
    x = 207,465,706,660.01/445,230.28
  6. Step 6: Final answer
    x = 465,973.94

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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.