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Finding the Fourth Proportional to 276,077.12, 414,203.20 and 98,580.32

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Solution

The fourth proportional to 276,077.12, 414,203.20 and 98,580.32 is: 147,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,077.12 : 414,203.20 = 98,580.32 : x
  2. Step 2: Convert to fraction form
    276,077.12/414,203.20 = 98,580.32/x
  3. Step 3: Cross multiply
    276,077.12x = 414,203.20 × 98,580.32
  4. Step 4: Simplify right side
    276,077.12x = 40,832,284,001.02
  5. Step 5: Solve for x
    x = 40,832,284,001.02/276,077.12
  6. Step 6: Final answer
    x = 147,901.73

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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.