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Finding the Fourth Proportional to 422,990.92, 583,757.16 and 241,729.63

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Solution

The fourth proportional to 422,990.92, 583,757.16 and 241,729.63 is: 333,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,990.92 : 583,757.16 = 241,729.63 : x
  2. Step 2: Convert to fraction form
    422,990.92/583,757.16 = 241,729.63/x
  3. Step 3: Cross multiply
    422,990.92x = 583,757.16 × 241,729.63
  4. Step 4: Simplify right side
    422,990.92x = 141,111,402,296.65
  5. Step 5: Solve for x
    x = 141,111,402,296.65/422,990.92
  6. Step 6: Final answer
    x = 333,603.86

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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.