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Finding the Fourth Proportional to 590,731.20, 886,096.80 and 548,740.80

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Solution

The fourth proportional to 590,731.20, 886,096.80 and 548,740.80 is: 823,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,731.20 : 886,096.80 = 548,740.80 : x
  2. Step 2: Convert to fraction form
    590,731.20/886,096.80 = 548,740.80/x
  3. Step 3: Cross multiply
    590,731.20x = 886,096.80 × 548,740.80
  4. Step 4: Simplify right side
    590,731.20x = 486,237,466,909.44
  5. Step 5: Solve for x
    x = 486,237,466,909.44/590,731.20
  6. Step 6: Final answer
    x = 823,111.20

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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.