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Finding the Fourth Proportional to 482,638.32, 723,859.20 and 183,016.08

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Solution

The fourth proportional to 482,638.32, 723,859.20 and 183,016.08 is: 274,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,638.32 : 723,859.20 = 183,016.08 : x
  2. Step 2: Convert to fraction form
    482,638.32/723,859.20 = 183,016.08/x
  3. Step 3: Cross multiply
    482,638.32x = 723,859.20 × 183,016.08
  4. Step 4: Simplify right side
    482,638.32x = 132,477,873,255.94
  5. Step 5: Solve for x
    x = 132,477,873,255.94/482,638.32
  6. Step 6: Final answer
    x = 274,486.85

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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.