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Finding the Fourth Proportional to 372,837.42, 514,339.74 and 252,020.88

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Solution

The fourth proportional to 372,837.42, 514,339.74 and 252,020.88 is: 347,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,837.42 : 514,339.74 = 252,020.88 : x
  2. Step 2: Convert to fraction form
    372,837.42/514,339.74 = 252,020.88/x
  3. Step 3: Cross multiply
    372,837.42x = 514,339.74 × 252,020.88
  4. Step 4: Simplify right side
    372,837.42x = 129,624,353,893.77
  5. Step 5: Solve for x
    x = 129,624,353,893.77/372,837.42
  6. Step 6: Final answer
    x = 347,669.91

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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.