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Finding the Fourth Proportional to 483,170.40, 724,507.68 and 255,588.85

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Solution

The fourth proportional to 483,170.40, 724,507.68 and 255,588.85 is: 383,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,170.40 : 724,507.68 = 255,588.85 : x
  2. Step 2: Convert to fraction form
    483,170.40/724,507.68 = 255,588.85/x
  3. Step 3: Cross multiply
    483,170.40x = 724,507.68 × 255,588.85
  4. Step 4: Simplify right side
    483,170.40x = 185,176,084,747.37
  5. Step 5: Solve for x
    x = 185,176,084,747.37/483,170.40
  6. Step 6: Final answer
    x = 383,252.13

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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.