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Finding the Fourth Proportional to 422,713.80, 583,386.78 and 241,452.84

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Solution

The fourth proportional to 422,713.80, 583,386.78 and 241,452.84 is: 333,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,713.80 : 583,386.78 = 241,452.84 : x
  2. Step 2: Convert to fraction form
    422,713.80/583,386.78 = 241,452.84/x
  3. Step 3: Cross multiply
    422,713.80x = 583,386.78 × 241,452.84
  4. Step 4: Simplify right side
    422,713.80x = 140,860,394,849.46
  5. Step 5: Solve for x
    x = 140,860,394,849.46/422,713.80
  6. Step 6: Final answer
    x = 333,228.76

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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.