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Finding the Fourth Proportional to 448,614.73, 672,725.13 and 167,935.15

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Solution

The fourth proportional to 448,614.73, 672,725.13 and 167,935.15 is: 251,828.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,614.73 : 672,725.13 = 167,935.15 : x
  2. Step 2: Convert to fraction form
    448,614.73/672,725.13 = 167,935.15/x
  3. Step 3: Cross multiply
    448,614.73x = 672,725.13 × 167,935.15
  4. Step 4: Simplify right side
    448,614.73x = 112,974,195,615.32
  5. Step 5: Solve for x
    x = 112,974,195,615.32/448,614.73
  6. Step 6: Final answer
    x = 251,828.99

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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.