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Finding the Fourth Proportional to 448,083.60, 672,125.40 and 224,134.80

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Solution

The fourth proportional to 448,083.60, 672,125.40 and 224,134.80 is: 336,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,083.60 : 672,125.40 = 224,134.80 : x
  2. Step 2: Convert to fraction form
    448,083.60/672,125.40 = 224,134.80/x
  3. Step 3: Cross multiply
    448,083.60x = 672,125.40 × 224,134.80
  4. Step 4: Simplify right side
    448,083.60x = 150,646,692,103.92
  5. Step 5: Solve for x
    x = 150,646,692,103.92/448,083.60
  6. Step 6: Final answer
    x = 336,202.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.