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Finding the Fourth Proportional to 386,131.04, 532,861.04 and 235,228.04

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Solution

The fourth proportional to 386,131.04, 532,861.04 and 235,228.04 is: 324,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,131.04 : 532,861.04 = 235,228.04 : x
  2. Step 2: Convert to fraction form
    386,131.04/532,861.04 = 235,228.04/x
  3. Step 3: Cross multiply
    386,131.04x = 532,861.04 × 235,228.04
  4. Step 4: Simplify right side
    386,131.04x = 125,343,858,031.56
  5. Step 5: Solve for x
    x = 125,343,858,031.56/386,131.04
  6. Step 6: Final answer
    x = 324,614.82

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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.