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Finding the Fourth Proportional to 607,231.38, 910,845.15 and 163,999.38

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Solution

The fourth proportional to 607,231.38, 910,845.15 and 163,999.38 is: 245,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,231.38 : 910,845.15 = 163,999.38 : x
  2. Step 2: Convert to fraction form
    607,231.38/910,845.15 = 163,999.38/x
  3. Step 3: Cross multiply
    607,231.38x = 910,845.15 × 163,999.38
  4. Step 4: Simplify right side
    607,231.38x = 149,378,039,876.01
  5. Step 5: Solve for x
    x = 149,378,039,876.01/607,231.38
  6. Step 6: Final answer
    x = 245,998.55

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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.