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Finding the Fourth Proportional to 645,169.84, 967,776.52 and 224,449.20

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Solution

The fourth proportional to 645,169.84, 967,776.52 and 224,449.20 is: 336,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,169.84 : 967,776.52 = 224,449.20 : x
  2. Step 2: Convert to fraction form
    645,169.84/967,776.52 = 224,449.20/x
  3. Step 3: Cross multiply
    645,169.84x = 967,776.52 × 224,449.20
  4. Step 4: Simplify right side
    645,169.84x = 217,216,665,692.78
  5. Step 5: Solve for x
    x = 217,216,665,692.78/645,169.84
  6. Step 6: Final answer
    x = 336,681.37

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Similar ratio
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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.