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Finding the Fourth Proportional to 610,906.60, 916,359.90 and 167,674.60

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Solution

The fourth proportional to 610,906.60, 916,359.90 and 167,674.60 is: 251,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,906.60 : 916,359.90 = 167,674.60 : x
  2. Step 2: Convert to fraction form
    610,906.60/916,359.90 = 167,674.60/x
  3. Step 3: Cross multiply
    610,906.60x = 916,359.90 × 167,674.60
  4. Step 4: Simplify right side
    610,906.60x = 153,650,279,688.54
  5. Step 5: Solve for x
    x = 153,650,279,688.54/610,906.60
  6. Step 6: Final answer
    x = 251,511.90

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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.