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Finding the Fourth Proportional to 256,185.65, 353,489.58 and 179,937.69

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Solution

The fourth proportional to 256,185.65, 353,489.58 and 179,937.69 is: 248,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,185.65 : 353,489.58 = 179,937.69 : x
  2. Step 2: Convert to fraction form
    256,185.65/353,489.58 = 179,937.69/x
  3. Step 3: Cross multiply
    256,185.65x = 353,489.58 × 179,937.69
  4. Step 4: Simplify right side
    256,185.65x = 63,606,098,464.27
  5. Step 5: Solve for x
    x = 63,606,098,464.27/256,185.65
  6. Step 6: Final answer
    x = 248,281.27

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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.