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Finding the Fourth Proportional to 538,529.80, 807,794.70 and 183,512.20

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Solution

The fourth proportional to 538,529.80, 807,794.70 and 183,512.20 is: 275,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,529.80 : 807,794.70 = 183,512.20 : x
  2. Step 2: Convert to fraction form
    538,529.80/807,794.70 = 183,512.20/x
  3. Step 3: Cross multiply
    538,529.80x = 807,794.70 × 183,512.20
  4. Step 4: Simplify right side
    538,529.80x = 148,240,182,545.34
  5. Step 5: Solve for x
    x = 148,240,182,545.34/538,529.80
  6. Step 6: Final answer
    x = 275,268.30

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Double scale
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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.