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Finding the Fourth Proportional to 448,449.60, 619,451.18 and 332,398.33

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Solution

The fourth proportional to 448,449.60, 619,451.18 and 332,398.33 is: 459,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,449.60 : 619,451.18 = 332,398.33 : x
  2. Step 2: Convert to fraction form
    448,449.60/619,451.18 = 332,398.33/x
  3. Step 3: Cross multiply
    448,449.60x = 619,451.18 × 332,398.33
  4. Step 4: Simplify right side
    448,449.60x = 205,904,536,199.90
  5. Step 5: Solve for x
    x = 205,904,536,199.90/448,449.60
  6. Step 6: Final answer
    x = 459,147.55

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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.