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Finding the Fourth Proportional to 322,337.70, 483,506.46 and 100,721.70

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Solution

The fourth proportional to 322,337.70, 483,506.46 and 100,721.70 is: 151,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,337.70 : 483,506.46 = 100,721.70 : x
  2. Step 2: Convert to fraction form
    322,337.70/483,506.46 = 100,721.70/x
  3. Step 3: Cross multiply
    322,337.70x = 483,506.46 × 100,721.70
  4. Step 4: Simplify right side
    322,337.70x = 48,699,592,612.18
  5. Step 5: Solve for x
    x = 48,699,592,612.18/322,337.70
  6. Step 6: Final answer
    x = 151,082.52

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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.