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Finding the Fourth Proportional to 242,891.78, 364,554.32 and 241,987.55

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Solution

The fourth proportional to 242,891.78, 364,554.32 and 241,987.55 is: 363,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,891.78 : 364,554.32 = 241,987.55 : x
  2. Step 2: Convert to fraction form
    242,891.78/364,554.32 = 241,987.55/x
  3. Step 3: Cross multiply
    242,891.78x = 364,554.32 × 241,987.55
  4. Step 4: Simplify right side
    242,891.78x = 88,217,603,706.01
  5. Step 5: Solve for x
    x = 88,217,603,706.01/242,891.78
  6. Step 6: Final answer
    x = 363,197.16

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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.