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Finding the Fourth Proportional to 538,560.30, 807,840.45 and 183,542.70

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Solution

The fourth proportional to 538,560.30, 807,840.45 and 183,542.70 is: 275,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,560.30 : 807,840.45 = 183,542.70 : x
  2. Step 2: Convert to fraction form
    538,560.30/807,840.45 = 183,542.70/x
  3. Step 3: Cross multiply
    538,560.30x = 807,840.45 × 183,542.70
  4. Step 4: Simplify right side
    538,560.30x = 148,273,217,362.22
  5. Step 5: Solve for x
    x = 148,273,217,362.22/538,560.30
  6. Step 6: Final answer
    x = 275,314.05

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Similar ratio
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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.