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Finding the Fourth Proportional to 590,979.90, 886,469.85 and 354,200.70

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Solution

The fourth proportional to 590,979.90, 886,469.85 and 354,200.70 is: 531,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,979.90 : 886,469.85 = 354,200.70 : x
  2. Step 2: Convert to fraction form
    590,979.90/886,469.85 = 354,200.70/x
  3. Step 3: Cross multiply
    590,979.90x = 886,469.85 × 354,200.70
  4. Step 4: Simplify right side
    590,979.90x = 313,988,241,398.90
  5. Step 5: Solve for x
    x = 313,988,241,398.90/590,979.90
  6. Step 6: Final answer
    x = 531,301.05

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Similar ratio
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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.