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Finding the Fourth Proportional to 584,003.80, 876,005.70 and 343,871.20

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Solution

The fourth proportional to 584,003.80, 876,005.70 and 343,871.20 is: 515,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,003.80 : 876,005.70 = 343,871.20 : x
  2. Step 2: Convert to fraction form
    584,003.80/876,005.70 = 343,871.20/x
  3. Step 3: Cross multiply
    584,003.80x = 876,005.70 × 343,871.20
  4. Step 4: Simplify right side
    584,003.80x = 301,233,131,265.84
  5. Step 5: Solve for x
    x = 301,233,131,265.84/584,003.80
  6. Step 6: Final answer
    x = 515,806.80

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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.