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Finding the Fourth Proportional to 408,653.28, 563,927.34 and 224,874.69

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Solution

The fourth proportional to 408,653.28, 563,927.34 and 224,874.69 is: 310,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,653.28 : 563,927.34 = 224,874.69 : x
  2. Step 2: Convert to fraction form
    408,653.28/563,927.34 = 224,874.69/x
  3. Step 3: Cross multiply
    408,653.28x = 563,927.34 × 224,874.69
  4. Step 4: Simplify right side
    408,653.28x = 126,812,985,765.03
  5. Step 5: Solve for x
    x = 126,812,985,765.03/408,653.28
  6. Step 6: Final answer
    x = 310,319.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.