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Finding the Fourth Proportional to 347,660.10, 521,490.15 and 223,244.10

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Solution

The fourth proportional to 347,660.10, 521,490.15 and 223,244.10 is: 334,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,660.10 : 521,490.15 = 223,244.10 : x
  2. Step 2: Convert to fraction form
    347,660.10/521,490.15 = 223,244.10/x
  3. Step 3: Cross multiply
    347,660.10x = 521,490.15 × 223,244.10
  4. Step 4: Simplify right side
    347,660.10x = 116,419,599,195.62
  5. Step 5: Solve for x
    x = 116,419,599,195.62/347,660.10
  6. Step 6: Final answer
    x = 334,866.15

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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.