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Finding the Fourth Proportional to 417,550.30, 576,211.86 and 254,147.62

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Solution

The fourth proportional to 417,550.30, 576,211.86 and 254,147.62 is: 350,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,550.30 : 576,211.86 = 254,147.62 : x
  2. Step 2: Convert to fraction form
    417,550.30/576,211.86 = 254,147.62/x
  3. Step 3: Cross multiply
    417,550.30x = 576,211.86 × 254,147.62
  4. Step 4: Simplify right side
    417,550.30x = 146,442,872,834.77
  5. Step 5: Solve for x
    x = 146,442,872,834.77/417,550.30
  6. Step 6: Final answer
    x = 350,719.12

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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.