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Finding the Fourth Proportional to 416,295.54, 574,489.56 and 225,308.88

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Solution

The fourth proportional to 416,295.54, 574,489.56 and 225,308.88 is: 310,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,295.54 : 574,489.56 = 225,308.88 : x
  2. Step 2: Convert to fraction form
    416,295.54/574,489.56 = 225,308.88/x
  3. Step 3: Cross multiply
    416,295.54x = 574,489.56 × 225,308.88
  4. Step 4: Simplify right side
    416,295.54x = 129,437,599,335.29
  5. Step 5: Solve for x
    x = 129,437,599,335.29/416,295.54
  6. Step 6: Final answer
    x = 310,927.18

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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.