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Finding the Fourth Proportional to 447,521.99, 671,284.79 and 181,287.54

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Solution

The fourth proportional to 447,521.99, 671,284.79 and 181,287.54 is: 271,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,521.99 : 671,284.79 = 181,287.54 : x
  2. Step 2: Convert to fraction form
    447,521.99/671,284.79 = 181,287.54/x
  3. Step 3: Cross multiply
    447,521.99x = 671,284.79 × 181,287.54
  4. Step 4: Simplify right side
    447,521.99x = 121,695,567,312.08
  5. Step 5: Solve for x
    x = 121,695,567,312.08/447,521.99
  6. Step 6: Final answer
    x = 271,932.04

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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.