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Finding the Fourth Proportional to 276,693.40, 415,040.10 and 226,829.80

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Solution

The fourth proportional to 276,693.40, 415,040.10 and 226,829.80 is: 340,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,693.40 : 415,040.10 = 226,829.80 : x
  2. Step 2: Convert to fraction form
    276,693.40/415,040.10 = 226,829.80/x
  3. Step 3: Cross multiply
    276,693.40x = 415,040.10 × 226,829.80
  4. Step 4: Simplify right side
    276,693.40x = 94,143,462,874.98
  5. Step 5: Solve for x
    x = 94,143,462,874.98/276,693.40
  6. Step 6: Final answer
    x = 340,244.70

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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.