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Finding the Fourth Proportional to 416,371.68, 574,592.76 and 225,386.64

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Solution

The fourth proportional to 416,371.68, 574,592.76 and 225,386.64 is: 311,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,371.68 : 574,592.76 = 225,386.64 : x
  2. Step 2: Convert to fraction form
    416,371.68/574,592.76 = 225,386.64/x
  3. Step 3: Cross multiply
    416,371.68x = 574,592.76 × 225,386.64
  4. Step 4: Simplify right side
    416,371.68x = 129,505,531,544.73
  5. Step 5: Solve for x
    x = 129,505,531,544.73/416,371.68
  6. Step 6: Final answer
    x = 311,033.48

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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.