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Finding the Fourth Proportional to 372,840.42, 514,343.88 and 252,023.88

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Solution

The fourth proportional to 372,840.42, 514,343.88 and 252,023.88 is: 347,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,840.42 : 514,343.88 = 252,023.88 : x
  2. Step 2: Convert to fraction form
    372,840.42/514,343.88 = 252,023.88/x
  3. Step 3: Cross multiply
    372,840.42x = 514,343.88 × 252,023.88
  4. Step 4: Simplify right side
    372,840.42x = 129,626,940,291.85
  5. Step 5: Solve for x
    x = 129,626,940,291.85/372,840.42
  6. Step 6: Final answer
    x = 347,674.05

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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.