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Finding the Fourth Proportional to 442,824.90, 663,253.20 and 442,824.90

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Solution

The fourth proportional to 442,824.90, 663,253.20 and 442,824.90 is: 663,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,824.90 : 663,253.20 = 442,824.90 : x
  2. Step 2: Convert to fraction form
    442,824.90/663,253.20 = 442,824.90/x
  3. Step 3: Cross multiply
    442,824.90x = 663,253.20 × 442,824.90
  4. Step 4: Simplify right side
    442,824.90x = 293,705,031,964.68
  5. Step 5: Solve for x
    x = 293,705,031,964.68/442,824.90
  6. Step 6: Final answer
    x = 663,253.20

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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.