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Finding the Fourth Proportional to 367,692.24, 552,005.04 and 312,638.16

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Solution

The fourth proportional to 367,692.24, 552,005.04 and 312,638.16 is: 469,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,692.24 : 552,005.04 = 312,638.16 : x
  2. Step 2: Convert to fraction form
    367,692.24/552,005.04 = 312,638.16/x
  3. Step 3: Cross multiply
    367,692.24x = 552,005.04 × 312,638.16
  4. Step 4: Simplify right side
    367,692.24x = 172,577,840,016.33
  5. Step 5: Solve for x
    x = 172,577,840,016.33/367,692.24
  6. Step 6: Final answer
    x = 469,354.04

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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.