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Finding the Fourth Proportional to 477,149.69, 658,449.87 and 262,288.22

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Solution

The fourth proportional to 477,149.69, 658,449.87 and 262,288.22 is: 361,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,149.69 : 658,449.87 = 262,288.22 : x
  2. Step 2: Convert to fraction form
    477,149.69/658,449.87 = 262,288.22/x
  3. Step 3: Cross multiply
    477,149.69x = 658,449.87 × 262,288.22
  4. Step 4: Simplify right side
    477,149.69x = 172,703,641,069.28
  5. Step 5: Solve for x
    x = 172,703,641,069.28/477,149.69
  6. Step 6: Final answer
    x = 361,948.56

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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.