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Finding the Fourth Proportional to 431,736.30, 646,729.65 and 244,529.10

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Solution

The fourth proportional to 431,736.30, 646,729.65 and 244,529.10 is: 366,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,736.30 : 646,729.65 = 244,529.10 : x
  2. Step 2: Convert to fraction form
    431,736.30/646,729.65 = 244,529.10/x
  3. Step 3: Cross multiply
    431,736.30x = 646,729.65 × 244,529.10
  4. Step 4: Simplify right side
    431,736.30x = 158,144,219,257.82
  5. Step 5: Solve for x
    x = 158,144,219,257.82/431,736.30
  6. Step 6: Final answer
    x = 366,298.18

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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.