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Finding the Fourth Proportional to 431,620.56, 596,012.40 and 270,752.10

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Solution

The fourth proportional to 431,620.56, 596,012.40 and 270,752.10 is: 373,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,620.56 : 596,012.40 = 270,752.10 : x
  2. Step 2: Convert to fraction form
    431,620.56/596,012.40 = 270,752.10/x
  3. Step 3: Cross multiply
    431,620.56x = 596,012.40 × 270,752.10
  4. Step 4: Simplify right side
    431,620.56x = 161,371,608,926.04
  5. Step 5: Solve for x
    x = 161,371,608,926.04/431,620.56
  6. Step 6: Final answer
    x = 373,873.78

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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.