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Finding the Fourth Proportional to 339,013.56, 507,891.16 and 242,752.08

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Solution

The fourth proportional to 339,013.56, 507,891.16 and 242,752.08 is: 363,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,013.56 : 507,891.16 = 242,752.08 : x
  2. Step 2: Convert to fraction form
    339,013.56/507,891.16 = 242,752.08/x
  3. Step 3: Cross multiply
    339,013.56x = 507,891.16 × 242,752.08
  4. Step 4: Simplify right side
    339,013.56x = 123,291,635,503.61
  5. Step 5: Solve for x
    x = 123,291,635,503.61/339,013.56
  6. Step 6: Final answer
    x = 363,677.59

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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.