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Finding the Fourth Proportional to 276,800.90, 415,201.35 and 241,808.90

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Solution

The fourth proportional to 276,800.90, 415,201.35 and 241,808.90 is: 362,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,800.90 : 415,201.35 = 241,808.90 : x
  2. Step 2: Convert to fraction form
    276,800.90/415,201.35 = 241,808.90/x
  3. Step 3: Cross multiply
    276,800.90x = 415,201.35 × 241,808.90
  4. Step 4: Simplify right side
    276,800.90x = 100,399,381,722.02
  5. Step 5: Solve for x
    x = 100,399,381,722.02/276,800.90
  6. Step 6: Final answer
    x = 362,713.35

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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.