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Finding the Fourth Proportional to 422,932.71, 583,678.03 and 241,640.76

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Solution

The fourth proportional to 422,932.71, 583,678.03 and 241,640.76 is: 333,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,932.71 : 583,678.03 = 241,640.76 : x
  2. Step 2: Convert to fraction form
    422,932.71/583,678.03 = 241,640.76/x
  3. Step 3: Cross multiply
    422,932.71x = 583,678.03 × 241,640.76
  4. Step 4: Simplify right side
    422,932.71x = 141,040,400,018.67
  5. Step 5: Solve for x
    x = 141,040,400,018.67/422,932.71
  6. Step 6: Final answer
    x = 333,481.89

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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.