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Finding the Fourth Proportional to 402,232.03, 555,020.04 and 230,122.66

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Solution

The fourth proportional to 402,232.03, 555,020.04 and 230,122.66 is: 317,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,232.03 : 555,020.04 = 230,122.66 : x
  2. Step 2: Convert to fraction form
    402,232.03/555,020.04 = 230,122.66/x
  3. Step 3: Cross multiply
    402,232.03x = 555,020.04 × 230,122.66
  4. Step 4: Simplify right side
    402,232.03x = 127,722,687,958.11
  5. Step 5: Solve for x
    x = 127,722,687,958.11/402,232.03
  6. Step 6: Final answer
    x = 317,534.85

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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.