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Finding the Fourth Proportional to 538,921.80, 808,160.28 and 183,964.44

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Solution

The fourth proportional to 538,921.80, 808,160.28 and 183,964.44 is: 275,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,921.80 : 808,160.28 = 183,964.44 : x
  2. Step 2: Convert to fraction form
    538,921.80/808,160.28 = 183,964.44/x
  3. Step 3: Cross multiply
    538,921.80x = 808,160.28 × 183,964.44
  4. Step 4: Simplify right side
    538,921.80x = 148,672,753,340.44
  5. Step 5: Solve for x
    x = 148,672,753,340.44/538,921.80
  6. Step 6: Final answer
    x = 275,870.74

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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.