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Finding the Fourth Proportional to 416,301.33, 574,495.80 and 225,314.72

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Solution

The fourth proportional to 416,301.33, 574,495.80 and 225,314.72 is: 310,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,301.33 : 574,495.80 = 225,314.72 : x
  2. Step 2: Convert to fraction form
    416,301.33/574,495.80 = 225,314.72/x
  3. Step 3: Cross multiply
    416,301.33x = 574,495.80 × 225,314.72
  4. Step 4: Simplify right side
    416,301.33x = 129,442,357,445.70
  5. Step 5: Solve for x
    x = 129,442,357,445.70/416,301.33
  6. Step 6: Final answer
    x = 310,934.29

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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.