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Finding the Fourth Proportional to 542,890.64, 814,340.28 and 222,960.08

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Solution

The fourth proportional to 542,890.64, 814,340.28 and 222,960.08 is: 334,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,890.64 : 814,340.28 = 222,960.08 : x
  2. Step 2: Convert to fraction form
    542,890.64/814,340.28 = 222,960.08/x
  3. Step 3: Cross multiply
    542,890.64x = 814,340.28 × 222,960.08
  4. Step 4: Simplify right side
    542,890.64x = 181,565,373,976.02
  5. Step 5: Solve for x
    x = 181,565,373,976.02/542,890.64
  6. Step 6: Final answer
    x = 334,441.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.