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Finding the Fourth Proportional to 367,865.76, 507,654.24 and 215,009.04

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Solution

The fourth proportional to 367,865.76, 507,654.24 and 215,009.04 is: 296,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,865.76 : 507,654.24 = 215,009.04 : x
  2. Step 2: Convert to fraction form
    367,865.76/507,654.24 = 215,009.04/x
  3. Step 3: Cross multiply
    367,865.76x = 507,654.24 × 215,009.04
  4. Step 4: Simplify right side
    367,865.76x = 109,150,250,794.33
  5. Step 5: Solve for x
    x = 109,150,250,794.33/367,865.76
  6. Step 6: Final answer
    x = 296,712.18

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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.