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Finding the Fourth Proportional to 329,013.34, 454,034.91 and 185,764.84

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Solution

The fourth proportional to 329,013.34, 454,034.91 and 185,764.84 is: 256,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,013.34 : 454,034.91 = 185,764.84 : x
  2. Step 2: Convert to fraction form
    329,013.34/454,034.91 = 185,764.84/x
  3. Step 3: Cross multiply
    329,013.34x = 454,034.91 × 185,764.84
  4. Step 4: Simplify right side
    329,013.34x = 84,343,722,410.56
  5. Step 5: Solve for x
    x = 84,343,722,410.56/329,013.34
  6. Step 6: Final answer
    x = 256,353.50

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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.