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Finding the Fourth Proportional to 431,964.42, 596,037.08 and 250,634.78

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Solution

The fourth proportional to 431,964.42, 596,037.08 and 250,634.78 is: 345,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,964.42 : 596,037.08 = 250,634.78 : x
  2. Step 2: Convert to fraction form
    431,964.42/596,037.08 = 250,634.78/x
  3. Step 3: Cross multiply
    431,964.42x = 596,037.08 × 250,634.78
  4. Step 4: Simplify right side
    431,964.42x = 149,387,622,417.64
  5. Step 5: Solve for x
    x = 149,387,622,417.64/431,964.42
  6. Step 6: Final answer
    x = 345,833.16

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1.5x scale

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.