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Finding the Fourth Proportional to 467,251.40, 644,807.18 and 252,391.46

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Solution

The fourth proportional to 467,251.40, 644,807.18 and 252,391.46 is: 348,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,251.40 : 644,807.18 = 252,391.46 : x
  2. Step 2: Convert to fraction form
    467,251.40/644,807.18 = 252,391.46/x
  3. Step 3: Cross multiply
    467,251.40x = 644,807.18 × 252,391.46
  4. Step 4: Simplify right side
    467,251.40x = 162,743,825,403.65
  5. Step 5: Solve for x
    x = 162,743,825,403.65/467,251.40
  6. Step 6: Final answer
    x = 348,300.35

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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.