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Finding the Fourth Proportional to 371,861.96, 557,571.20 and 147,254.63

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Solution

The fourth proportional to 371,861.96, 557,571.20 and 147,254.63 is: 220,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,861.96 : 557,571.20 = 147,254.63 : x
  2. Step 2: Convert to fraction form
    371,861.96/557,571.20 = 147,254.63/x
  3. Step 3: Cross multiply
    371,861.96x = 557,571.20 × 147,254.63
  4. Step 4: Simplify right side
    371,861.96x = 82,104,937,230.53
  5. Step 5: Solve for x
    x = 82,104,937,230.53/371,861.96
  6. Step 6: Final answer
    x = 220,794.13

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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.