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Finding the Fourth Proportional to 292,451.66, 403,514.13 and 169,871.20

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Solution

The fourth proportional to 292,451.66, 403,514.13 and 169,871.20 is: 234,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,451.66 : 403,514.13 = 169,871.20 : x
  2. Step 2: Convert to fraction form
    292,451.66/403,514.13 = 169,871.20/x
  3. Step 3: Cross multiply
    292,451.66x = 403,514.13 × 169,871.20
  4. Step 4: Simplify right side
    292,451.66x = 68,545,430,731.45
  5. Step 5: Solve for x
    x = 68,545,430,731.45/292,451.66
  6. Step 6: Final answer
    x = 234,382.09

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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.