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Finding the Fourth Proportional to 635,896.80, 953,845.20 and 162,557.10

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Solution

The fourth proportional to 635,896.80, 953,845.20 and 162,557.10 is: 243,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,896.80 : 953,845.20 = 162,557.10 : x
  2. Step 2: Convert to fraction form
    635,896.80/953,845.20 = 162,557.10/x
  3. Step 3: Cross multiply
    635,896.80x = 953,845.20 × 162,557.10
  4. Step 4: Simplify right side
    635,896.80x = 155,054,309,560.92
  5. Step 5: Solve for x
    x = 155,054,309,560.92/635,896.80
  6. Step 6: Final answer
    x = 243,835.65

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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.