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Finding the Fourth Proportional to 276,636.10, 414,626.10 and 248,423.80

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Solution

The fourth proportional to 276,636.10, 414,626.10 and 248,423.80 is: 372,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,636.10 : 414,626.10 = 248,423.80 : x
  2. Step 2: Convert to fraction form
    276,636.10/414,626.10 = 248,423.80/x
  3. Step 3: Cross multiply
    276,636.10x = 414,626.10 × 248,423.80
  4. Step 4: Simplify right side
    276,636.10x = 103,002,991,341.18
  5. Step 5: Solve for x
    x = 103,002,991,341.18/276,636.10
  6. Step 6: Final answer
    x = 372,341.11

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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.