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Finding the Fourth Proportional to 374,016.96, 515,801.52 and 292,356

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Solution

The fourth proportional to 374,016.96, 515,801.52 and 292,356 is: 403,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,016.96 : 515,801.52 = 292,356 : x
  2. Step 2: Convert to fraction form
    374,016.96/515,801.52 = 292,356/x
  3. Step 3: Cross multiply
    374,016.96x = 515,801.52 × 292,356
  4. Step 4: Simplify right side
    374,016.96x = 150,797,669,181.12
  5. Step 5: Solve for x
    x = 150,797,669,181.12/374,016.96
  6. Step 6: Final answer
    x = 403,184.04

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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.