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Finding the Fourth Proportional to 367,041.30, 550,383.93 and 215,287.98

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Solution

The fourth proportional to 367,041.30, 550,383.93 and 215,287.98 is: 322,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,041.30 : 550,383.93 = 215,287.98 : x
  2. Step 2: Convert to fraction form
    367,041.30/550,383.93 = 215,287.98/x
  3. Step 3: Cross multiply
    367,041.30x = 550,383.93 × 215,287.98
  4. Step 4: Simplify right side
    367,041.30x = 118,491,044,514.16
  5. Step 5: Solve for x
    x = 118,491,044,514.16/367,041.30
  6. Step 6: Final answer
    x = 322,827.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.