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Finding the Fourth Proportional to 546,077.40, 819,116.10 and 166,997.40

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Solution

The fourth proportional to 546,077.40, 819,116.10 and 166,997.40 is: 250,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,077.40 : 819,116.10 = 166,997.40 : x
  2. Step 2: Convert to fraction form
    546,077.40/819,116.10 = 166,997.40/x
  3. Step 3: Cross multiply
    546,077.40x = 819,116.10 × 166,997.40
  4. Step 4: Simplify right side
    546,077.40x = 136,790,258,998.14
  5. Step 5: Solve for x
    x = 136,790,258,998.14/546,077.40
  6. Step 6: Final answer
    x = 250,496.10

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Half scale
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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.