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Finding the Fourth Proportional to 442,251.42, 610,300.20 and 248,659.30

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Solution

The fourth proportional to 442,251.42, 610,300.20 and 248,659.30 is: 343,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,251.42 : 610,300.20 = 248,659.30 : x
  2. Step 2: Convert to fraction form
    442,251.42/610,300.20 = 248,659.30/x
  3. Step 3: Cross multiply
    442,251.42x = 610,300.20 × 248,659.30
  4. Step 4: Simplify right side
    442,251.42x = 151,756,820,521.86
  5. Step 5: Solve for x
    x = 151,756,820,521.86/442,251.42
  6. Step 6: Final answer
    x = 343,146.04

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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.