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Finding the Fourth Proportional to 467,287.80, 644,895.12 and 263,352.54

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Solution

The fourth proportional to 467,287.80, 644,895.12 and 263,352.54 is: 363,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,287.80 : 644,895.12 = 263,352.54 : x
  2. Step 2: Convert to fraction form
    467,287.80/644,895.12 = 263,352.54/x
  3. Step 3: Cross multiply
    467,287.80x = 644,895.12 × 263,352.54
  4. Step 4: Simplify right side
    467,287.80x = 169,834,764,479.68
  5. Step 5: Solve for x
    x = 169,834,764,479.68/467,287.80
  6. Step 6: Final answer
    x = 363,447.89

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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.