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Finding the Fourth Proportional to 276,002.20, 413,420.10 and 276,002.20

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Solution

The fourth proportional to 276,002.20, 413,420.10 and 276,002.20 is: 413,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,002.20 : 413,420.10 = 276,002.20 : x
  2. Step 2: Convert to fraction form
    276,002.20/413,420.10 = 276,002.20/x
  3. Step 3: Cross multiply
    276,002.20x = 413,420.10 × 276,002.20
  4. Step 4: Simplify right side
    276,002.20x = 114,104,857,124.22
  5. Step 5: Solve for x
    x = 114,104,857,124.22/276,002.20
  6. Step 6: Final answer
    x = 413,420.10

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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.