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Finding the Fourth Proportional to 292,452.66, 403,515.51 and 169,872.20

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Solution

The fourth proportional to 292,452.66, 403,515.51 and 169,872.20 is: 234,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,452.66 : 403,515.51 = 169,872.20 : x
  2. Step 2: Convert to fraction form
    292,452.66/403,515.51 = 169,872.20/x
  3. Step 3: Cross multiply
    292,452.66x = 403,515.51 × 169,872.20
  4. Step 4: Simplify right side
    292,452.66x = 68,546,067,417.82
  5. Step 5: Solve for x
    x = 68,546,067,417.82/292,452.66
  6. Step 6: Final answer
    x = 234,383.46

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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.