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Finding the Fourth Proportional to 588,832.40, 883,248.60 and 543,342.80

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Solution

The fourth proportional to 588,832.40, 883,248.60 and 543,342.80 is: 815,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,832.40 : 883,248.60 = 543,342.80 : x
  2. Step 2: Convert to fraction form
    588,832.40/883,248.60 = 543,342.80/x
  3. Step 3: Cross multiply
    588,832.40x = 883,248.60 × 543,342.80
  4. Step 4: Simplify right side
    588,832.40x = 479,906,767,420.08
  5. Step 5: Solve for x
    x = 479,906,767,420.08/588,832.40
  6. Step 6: Final answer
    x = 815,014.20

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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.