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Finding the Fourth Proportional to 564,883.20, 847,324.80 and 190,900.80

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Solution

The fourth proportional to 564,883.20, 847,324.80 and 190,900.80 is: 286,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,883.20 : 847,324.80 = 190,900.80 : x
  2. Step 2: Convert to fraction form
    564,883.20/847,324.80 = 190,900.80/x
  3. Step 3: Cross multiply
    564,883.20x = 847,324.80 × 190,900.80
  4. Step 4: Simplify right side
    564,883.20x = 161,754,982,179.84
  5. Step 5: Solve for x
    x = 161,754,982,179.84/564,883.20
  6. Step 6: Final answer
    x = 286,351.20

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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.