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Finding the Fourth Proportional to 422,758.18, 583,373.91 and 241,445.08

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Solution

The fourth proportional to 422,758.18, 583,373.91 and 241,445.08 is: 333,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,758.18 : 583,373.91 = 241,445.08 : x
  2. Step 2: Convert to fraction form
    422,758.18/583,373.91 = 241,445.08/x
  3. Step 3: Cross multiply
    422,758.18x = 583,373.91 × 241,445.08
  4. Step 4: Simplify right side
    422,758.18x = 140,852,760,369.86
  5. Step 5: Solve for x
    x = 140,852,760,369.86/422,758.18
  6. Step 6: Final answer
    x = 333,175.72

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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.