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Finding the Fourth Proportional to 297,375.53, 409,812.56 and 291,910.46

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Solution

The fourth proportional to 297,375.53, 409,812.56 and 291,910.46 is: 402,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,375.53 : 409,812.56 = 291,910.46 : x
  2. Step 2: Convert to fraction form
    297,375.53/409,812.56 = 291,910.46/x
  3. Step 3: Cross multiply
    297,375.53x = 409,812.56 × 291,910.46
  4. Step 4: Simplify right side
    297,375.53x = 119,628,569,394.76
  5. Step 5: Solve for x
    x = 119,628,569,394.76/297,375.53
  6. Step 6: Final answer
    x = 402,281.15

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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.