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Finding the Fourth Proportional to 292,387.83, 403,498.52 and 171,531.18

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Solution

The fourth proportional to 292,387.83, 403,498.52 and 171,531.18 is: 236,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,387.83 : 403,498.52 = 171,531.18 : x
  2. Step 2: Convert to fraction form
    292,387.83/403,498.52 = 171,531.18/x
  3. Step 3: Cross multiply
    292,387.83x = 403,498.52 × 171,531.18
  4. Step 4: Simplify right side
    292,387.83x = 69,212,576,406.20
  5. Step 5: Solve for x
    x = 69,212,576,406.20/292,387.83
  6. Step 6: Final answer
    x = 236,714.97

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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.