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Finding the Fourth Proportional to 448,043.76, 672,065.64 and 132,476.16

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Solution

The fourth proportional to 448,043.76, 672,065.64 and 132,476.16 is: 198,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,043.76 : 672,065.64 = 132,476.16 : x
  2. Step 2: Convert to fraction form
    448,043.76/672,065.64 = 132,476.16/x
  3. Step 3: Cross multiply
    448,043.76x = 672,065.64 × 132,476.16
  4. Step 4: Simplify right side
    448,043.76x = 89,032,675,255.14
  5. Step 5: Solve for x
    x = 89,032,675,255.14/448,043.76
  6. Step 6: Final answer
    x = 198,714.24

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Similar ratio
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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.