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Finding the Fourth Proportional to 510,971.04, 766,456.56 and 195,524.64

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Solution

The fourth proportional to 510,971.04, 766,456.56 and 195,524.64 is: 293,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,971.04 : 766,456.56 = 195,524.64 : x
  2. Step 2: Convert to fraction form
    510,971.04/766,456.56 = 195,524.64/x
  3. Step 3: Cross multiply
    510,971.04x = 766,456.56 × 195,524.64
  4. Step 4: Simplify right side
    510,971.04x = 149,861,142,969.64
  5. Step 5: Solve for x
    x = 149,861,142,969.64/510,971.04
  6. Step 6: Final answer
    x = 293,286.96

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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.