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Finding the Fourth Proportional to 292,391.66, 403,503.90 and 171,535.04

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Solution

The fourth proportional to 292,391.66, 403,503.90 and 171,535.04 is: 236,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,391.66 : 403,503.90 = 171,535.04 : x
  2. Step 2: Convert to fraction form
    292,391.66/403,503.90 = 171,535.04/x
  3. Step 3: Cross multiply
    292,391.66x = 403,503.90 × 171,535.04
  4. Step 4: Simplify right side
    292,391.66x = 69,215,057,626.66
  5. Step 5: Solve for x
    x = 69,215,057,626.66/292,391.66
  6. Step 6: Final answer
    x = 236,720.36

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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.