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Finding the Fourth Proportional to 416,587.88, 574,890.12 and 225,601.22

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Solution

The fourth proportional to 416,587.88, 574,890.12 and 225,601.22 is: 311,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,587.88 : 574,890.12 = 225,601.22 : x
  2. Step 2: Convert to fraction form
    416,587.88/574,890.12 = 225,601.22/x
  3. Step 3: Cross multiply
    416,587.88x = 574,890.12 × 225,601.22
  4. Step 4: Simplify right side
    416,587.88x = 129,695,912,437.95
  5. Step 5: Solve for x
    x = 129,695,912,437.95/416,587.88
  6. Step 6: Final answer
    x = 311,329.06

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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.