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Finding the Fourth Proportional to 276,977.80, 382,227.42 and 163,798.12

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Solution

The fourth proportional to 276,977.80, 382,227.42 and 163,798.12 is: 226,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,977.80 : 382,227.42 = 163,798.12 : x
  2. Step 2: Convert to fraction form
    276,977.80/382,227.42 = 163,798.12/x
  3. Step 3: Cross multiply
    276,977.80x = 382,227.42 × 163,798.12
  4. Step 4: Simplify right side
    276,977.80x = 62,608,132,808.45
  5. Step 5: Solve for x
    x = 62,608,132,808.45/276,977.80
  6. Step 6: Final answer
    x = 226,040.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.