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Finding the Fourth Proportional to 244,062.30, 366,312.15 and 210,819.90

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Solution

The fourth proportional to 244,062.30, 366,312.15 and 210,819.90 is: 316,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,062.30 : 366,312.15 = 210,819.90 : x
  2. Step 2: Convert to fraction form
    244,062.30/366,312.15 = 210,819.90/x
  3. Step 3: Cross multiply
    244,062.30x = 366,312.15 × 210,819.90
  4. Step 4: Simplify right side
    244,062.30x = 77,225,890,831.79
  5. Step 5: Solve for x
    x = 77,225,890,831.79/244,062.30
  6. Step 6: Final answer
    x = 316,418.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.