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Finding the Fourth Proportional to 483,321.70, 724,291.35 and 335,404.90

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Solution

The fourth proportional to 483,321.70, 724,291.35 and 335,404.90 is: 502,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,321.70 : 724,291.35 = 335,404.90 : x
  2. Step 2: Convert to fraction form
    483,321.70/724,291.35 = 335,404.90/x
  3. Step 3: Cross multiply
    483,321.70x = 724,291.35 × 335,404.90
  4. Step 4: Simplify right side
    483,321.70x = 242,930,867,817.62
  5. Step 5: Solve for x
    x = 242,930,867,817.62/483,321.70
  6. Step 6: Final answer
    x = 502,627.69

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1.5x scale

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.