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Finding the Fourth Proportional to 422,833.60, 583,510.08 and 231,850.08

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Solution

The fourth proportional to 422,833.60, 583,510.08 and 231,850.08 is: 319,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,833.60 : 583,510.08 = 231,850.08 : x
  2. Step 2: Convert to fraction form
    422,833.60/583,510.08 = 231,850.08/x
  3. Step 3: Cross multiply
    422,833.60x = 583,510.08 × 231,850.08
  4. Step 4: Simplify right side
    422,833.60x = 135,286,858,728.81
  5. Step 5: Solve for x
    x = 135,286,858,728.81/422,833.60
  6. Step 6: Final answer
    x = 319,952.95

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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.