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Finding the Fourth Proportional to 560,173.38, 773,035.62 and 318,456.02

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Solution

The fourth proportional to 560,173.38, 773,035.62 and 318,456.02 is: 439,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,173.38 : 773,035.62 = 318,456.02 : x
  2. Step 2: Convert to fraction form
    560,173.38/773,035.62 = 318,456.02/x
  3. Step 3: Cross multiply
    560,173.38x = 773,035.62 × 318,456.02
  4. Step 4: Simplify right side
    560,173.38x = 246,177,842,998.25
  5. Step 5: Solve for x
    x = 246,177,842,998.25/560,173.38
  6. Step 6: Final answer
    x = 439,467.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.