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Finding the Fourth Proportional to 423,158.85, 583,959.92 and 232,173.61

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Solution

The fourth proportional to 423,158.85, 583,959.92 and 232,173.61 is: 320,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,158.85 : 583,959.92 = 232,173.61 : x
  2. Step 2: Convert to fraction form
    423,158.85/583,959.92 = 232,173.61/x
  3. Step 3: Cross multiply
    423,158.85x = 583,959.92 × 232,173.61
  4. Step 4: Simplify right side
    423,158.85x = 135,580,080,100.94
  5. Step 5: Solve for x
    x = 135,580,080,100.94/423,158.85
  6. Step 6: Final answer
    x = 320,399.96

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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.