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Finding the Fourth Proportional to 284,001.72, 391,922.33 and 156,677.30

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Solution

The fourth proportional to 284,001.72, 391,922.33 and 156,677.30 is: 216,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,001.72 : 391,922.33 = 156,677.30 : x
  2. Step 2: Convert to fraction form
    284,001.72/391,922.33 = 156,677.30/x
  3. Step 3: Cross multiply
    284,001.72x = 391,922.33 × 156,677.30
  4. Step 4: Simplify right side
    284,001.72x = 61,405,329,731.11
  5. Step 5: Solve for x
    x = 61,405,329,731.11/284,001.72
  6. Step 6: Final answer
    x = 216,214.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.