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Finding the Fourth Proportional to 599,381.45, 899,132.31 and 172,927.83

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Solution

The fourth proportional to 599,381.45, 899,132.31 and 172,927.83 is: 259,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,381.45 : 899,132.31 = 172,927.83 : x
  2. Step 2: Convert to fraction form
    599,381.45/899,132.31 = 172,927.83/x
  3. Step 3: Cross multiply
    599,381.45x = 899,132.31 × 172,927.83
  4. Step 4: Simplify right side
    599,381.45x = 155,485,001,066.70
  5. Step 5: Solve for x
    x = 155,485,001,066.70/599,381.45
  6. Step 6: Final answer
    x = 259,409.10

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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.