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Finding the Fourth Proportional to 373,138.56, 514,524.66 and 252,069.74

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Solution

The fourth proportional to 373,138.56, 514,524.66 and 252,069.74 is: 347,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,138.56 : 514,524.66 = 252,069.74 : x
  2. Step 2: Convert to fraction form
    373,138.56/514,524.66 = 252,069.74/x
  3. Step 3: Cross multiply
    373,138.56x = 514,524.66 × 252,069.74
  4. Step 4: Simplify right side
    373,138.56x = 129,696,097,269.79
  5. Step 5: Solve for x
    x = 129,696,097,269.79/373,138.56
  6. Step 6: Final answer
    x = 347,581.60

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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.