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Finding the Fourth Proportional to 662,693.76, 994,040.65 and 164,057.76

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Solution

The fourth proportional to 662,693.76, 994,040.65 and 164,057.76 is: 246,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,693.76 : 994,040.65 = 164,057.76 : x
  2. Step 2: Convert to fraction form
    662,693.76/994,040.65 = 164,057.76/x
  3. Step 3: Cross multiply
    662,693.76x = 994,040.65 × 164,057.76
  4. Step 4: Simplify right side
    662,693.76x = 163,080,082,387.94
  5. Step 5: Solve for x
    x = 163,080,082,387.94/662,693.76
  6. Step 6: Final answer
    x = 246,086.64

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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.