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Finding the Fourth Proportional to 372,800.70, 514,470.83 and 203,034.69

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Solution

The fourth proportional to 372,800.70, 514,470.83 and 203,034.69 is: 280,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,800.70 : 514,470.83 = 203,034.69 : x
  2. Step 2: Convert to fraction form
    372,800.70/514,470.83 = 203,034.69/x
  3. Step 3: Cross multiply
    372,800.70x = 514,470.83 × 203,034.69
  4. Step 4: Simplify right side
    372,800.70x = 104,455,424,467.92
  5. Step 5: Solve for x
    x = 104,455,424,467.92/372,800.70
  6. Step 6: Final answer
    x = 280,191.06

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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.