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Finding the Fourth Proportional to 662,691.26, 994,036.90 and 164,055.26

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Solution

The fourth proportional to 662,691.26, 994,036.90 and 164,055.26 is: 246,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,691.26 : 994,036.90 = 164,055.26 : x
  2. Step 2: Convert to fraction form
    662,691.26/994,036.90 = 164,055.26/x
  3. Step 3: Cross multiply
    662,691.26x = 994,036.90 × 164,055.26
  4. Step 4: Simplify right side
    662,691.26x = 163,076,982,079.09
  5. Step 5: Solve for x
    x = 163,076,982,079.09/662,691.26
  6. Step 6: Final answer
    x = 246,082.89

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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.