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Finding the Fourth Proportional to 224,269.20, 336,403.80 and 215,521.20

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Solution

The fourth proportional to 224,269.20, 336,403.80 and 215,521.20 is: 323,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,269.20 : 336,403.80 = 215,521.20 : x
  2. Step 2: Convert to fraction form
    224,269.20/336,403.80 = 215,521.20/x
  3. Step 3: Cross multiply
    224,269.20x = 336,403.80 × 215,521.20
  4. Step 4: Simplify right side
    224,269.20x = 72,502,150,660.56
  5. Step 5: Solve for x
    x = 72,502,150,660.56/224,269.20
  6. Step 6: Final answer
    x = 323,281.80

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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.