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Finding the Fourth Proportional to 662,683.52, 994,025.26 and 164,047.52

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Solution

The fourth proportional to 662,683.52, 994,025.26 and 164,047.52 is: 246,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,683.52 : 994,025.26 = 164,047.52 : x
  2. Step 2: Convert to fraction form
    662,683.52/994,025.26 = 164,047.52/x
  3. Step 3: Cross multiply
    662,683.52x = 994,025.26 × 164,047.52
  4. Step 4: Simplify right side
    662,683.52x = 163,067,378,720.36
  5. Step 5: Solve for x
    x = 163,067,378,720.36/662,683.52
  6. Step 6: Final answer
    x = 246,071.28

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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.