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Finding the Fourth Proportional to 372,834.42, 514,335.60 and 252,017.88

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Solution

The fourth proportional to 372,834.42, 514,335.60 and 252,017.88 is: 347,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,834.42 : 514,335.60 = 252,017.88 : x
  2. Step 2: Convert to fraction form
    372,834.42/514,335.60 = 252,017.88/x
  3. Step 3: Cross multiply
    372,834.42x = 514,335.60 × 252,017.88
  4. Step 4: Simplify right side
    372,834.42x = 129,621,767,520.53
  5. Step 5: Solve for x
    x = 129,621,767,520.53/372,834.42
  6. Step 6: Final answer
    x = 347,665.77

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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.