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Finding the Fourth Proportional to 321,652.17, 443,900.16 and 185,711.04

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Solution

The fourth proportional to 321,652.17, 443,900.16 and 185,711.04 is: 256,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,652.17 : 443,900.16 = 185,711.04 : x
  2. Step 2: Convert to fraction form
    321,652.17/443,900.16 = 185,711.04/x
  3. Step 3: Cross multiply
    321,652.17x = 443,900.16 × 185,711.04
  4. Step 4: Simplify right side
    321,652.17x = 82,437,160,369.77
  5. Step 5: Solve for x
    x = 82,437,160,369.77/321,652.17
  6. Step 6: Final answer
    x = 256,292.88

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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.