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Finding the Fourth Proportional to 416,425.88, 574,667.91 and 225,439.28

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Solution

The fourth proportional to 416,425.88, 574,667.91 and 225,439.28 is: 311,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,425.88 : 574,667.91 = 225,439.28 : x
  2. Step 2: Convert to fraction form
    416,425.88/574,667.91 = 225,439.28/x
  3. Step 3: Cross multiply
    416,425.88x = 574,667.91 × 225,439.28
  4. Step 4: Simplify right side
    416,425.88x = 129,552,719,869.51
  5. Step 5: Solve for x
    x = 129,552,719,869.51/416,425.88
  6. Step 6: Final answer
    x = 311,106.31

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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.