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Finding the Fourth Proportional to 599,468.67, 899,557.65 and 220,655.43

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Solution

The fourth proportional to 599,468.67, 899,557.65 and 220,655.43 is: 331,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,468.67 : 899,557.65 = 220,655.43 : x
  2. Step 2: Convert to fraction form
    599,468.67/899,557.65 = 220,655.43/x
  3. Step 3: Cross multiply
    599,468.67x = 899,557.65 × 220,655.43
  4. Step 4: Simplify right side
    599,468.67x = 198,492,280,070.54
  5. Step 5: Solve for x
    x = 198,492,280,070.54/599,468.67
  6. Step 6: Final answer
    x = 331,113.68

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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.