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Finding the Fourth Proportional to 416,545.69, 574,832.04 and 225,559.08

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Solution

The fourth proportional to 416,545.69, 574,832.04 and 225,559.08 is: 311,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,545.69 : 574,832.04 = 225,559.08 : x
  2. Step 2: Convert to fraction form
    416,545.69/574,832.04 = 225,559.08/x
  3. Step 3: Cross multiply
    416,545.69x = 574,832.04 × 225,559.08
  4. Step 4: Simplify right side
    416,545.69x = 129,658,586,519.85
  5. Step 5: Solve for x
    x = 129,658,586,519.85/416,545.69
  6. Step 6: Final answer
    x = 311,270.98

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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.