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Finding the Fourth Proportional to 504,363.91, 696,001.25 and 274,916.14

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Solution

The fourth proportional to 504,363.91, 696,001.25 and 274,916.14 is: 379,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,363.91 : 696,001.25 = 274,916.14 : x
  2. Step 2: Convert to fraction form
    504,363.91/696,001.25 = 274,916.14/x
  3. Step 3: Cross multiply
    504,363.91x = 696,001.25 × 274,916.14
  4. Step 4: Simplify right side
    504,363.91x = 191,341,976,580.60
  5. Step 5: Solve for x
    x = 191,341,976,580.60/504,363.91
  6. Step 6: Final answer
    x = 379,372.86

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Why These Related Problems?

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