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Finding the Fourth Proportional to 250,071.86, 375,920.63 and 200,693.04

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Solution

The fourth proportional to 250,071.86, 375,920.63 and 200,693.04 is: 301,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,071.86 : 375,920.63 = 200,693.04 : x
  2. Step 2: Convert to fraction form
    250,071.86/375,920.63 = 200,693.04/x
  3. Step 3: Cross multiply
    250,071.86x = 375,920.63 × 200,693.04
  4. Step 4: Simplify right side
    250,071.86x = 75,444,653,029.95
  5. Step 5: Solve for x
    x = 75,444,653,029.95/250,071.86
  6. Step 6: Final answer
    x = 301,691.90

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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.