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Finding the Fourth Proportional to 237,644.20, 354,737.63 and 220,081.74

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Solution

The fourth proportional to 237,644.20, 354,737.63 and 220,081.74 is: 328,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,644.20 : 354,737.63 = 220,081.74 : x
  2. Step 2: Convert to fraction form
    237,644.20/354,737.63 = 220,081.74/x
  3. Step 3: Cross multiply
    237,644.20x = 354,737.63 × 220,081.74
  4. Step 4: Simplify right side
    237,644.20x = 78,071,275,450.23
  5. Step 5: Solve for x
    x = 78,071,275,450.23/237,644.20
  6. Step 6: Final answer
    x = 328,521.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.