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Finding the Fourth Proportional to 431,231.16, 646,963.44 and 244,373.88

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Solution

The fourth proportional to 431,231.16, 646,963.44 and 244,373.88 is: 366,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,231.16 : 646,963.44 = 244,373.88 : x
  2. Step 2: Convert to fraction form
    431,231.16/646,963.44 = 244,373.88/x
  3. Step 3: Cross multiply
    431,231.16x = 646,963.44 × 244,373.88
  4. Step 4: Simplify right side
    431,231.16x = 158,100,966,050.95
  5. Step 5: Solve for x
    x = 158,100,966,050.95/431,231.16
  6. Step 6: Final answer
    x = 366,626.95

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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.