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Finding the Fourth Proportional to 488,656.99, 732,805.80 and 168,727.78

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Solution

The fourth proportional to 488,656.99, 732,805.80 and 168,727.78 is: 253,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,656.99 : 732,805.80 = 168,727.78 : x
  2. Step 2: Convert to fraction form
    488,656.99/732,805.80 = 168,727.78/x
  3. Step 3: Cross multiply
    488,656.99x = 732,805.80 × 168,727.78
  4. Step 4: Simplify right side
    488,656.99x = 123,644,695,805.12
  5. Step 5: Solve for x
    x = 123,644,695,805.12/488,656.99
  6. Step 6: Final answer
    x = 253,029.63

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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.