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Finding the Fourth Proportional to 292,379.60, 403,487.21 and 171,522.94

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Solution

The fourth proportional to 292,379.60, 403,487.21 and 171,522.94 is: 236,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,379.60 : 403,487.21 = 171,522.94 : x
  2. Step 2: Convert to fraction form
    292,379.60/403,487.21 = 171,522.94/x
  3. Step 3: Cross multiply
    292,379.60x = 403,487.21 × 171,522.94
  4. Step 4: Simplify right side
    292,379.60x = 69,207,310,645.26
  5. Step 5: Solve for x
    x = 69,207,310,645.26/292,379.60
  6. Step 6: Final answer
    x = 236,703.63

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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.