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Finding the Fourth Proportional to 292,379.80, 403,487.48 and 171,523.14

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Solution

The fourth proportional to 292,379.80, 403,487.48 and 171,523.14 is: 236,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,379.80 : 403,487.48 = 171,523.14 : x
  2. Step 2: Convert to fraction form
    292,379.80/403,487.48 = 171,523.14/x
  3. Step 3: Cross multiply
    292,379.80x = 403,487.48 × 171,523.14
  4. Step 4: Simplify right side
    292,379.80x = 69,207,439,520.29
  5. Step 5: Solve for x
    x = 69,207,439,520.29/292,379.80
  6. Step 6: Final answer
    x = 236,703.90

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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.