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Finding the Fourth Proportional to 422,552.88, 583,127.55 and 231,562.17

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Solution

The fourth proportional to 422,552.88, 583,127.55 and 231,562.17 is: 319,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,552.88 : 583,127.55 = 231,562.17 : x
  2. Step 2: Convert to fraction form
    422,552.88/583,127.55 = 231,562.17/x
  3. Step 3: Cross multiply
    422,552.88x = 583,127.55 × 231,562.17
  4. Step 4: Simplify right side
    422,552.88x = 135,030,280,864.78
  5. Step 5: Solve for x
    x = 135,030,280,864.78/422,552.88
  6. Step 6: Final answer
    x = 319,558.30

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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.