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Finding the Fourth Proportional to 610,052.70, 915,079.05 and 166,820.70

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Solution

The fourth proportional to 610,052.70, 915,079.05 and 166,820.70 is: 250,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,052.70 : 915,079.05 = 166,820.70 : x
  2. Step 2: Convert to fraction form
    610,052.70/915,079.05 = 166,820.70/x
  3. Step 3: Cross multiply
    610,052.70x = 915,079.05 × 166,820.70
  4. Step 4: Simplify right side
    610,052.70x = 152,654,127,676.34
  5. Step 5: Solve for x
    x = 152,654,127,676.34/610,052.70
  6. Step 6: Final answer
    x = 250,231.05

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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.