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Finding the Fourth Proportional to 341,838.10, 512,757.15 and 242,110.90

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Solution

The fourth proportional to 341,838.10, 512,757.15 and 242,110.90 is: 363,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,838.10 : 512,757.15 = 242,110.90 : x
  2. Step 2: Convert to fraction form
    341,838.10/512,757.15 = 242,110.90/x
  3. Step 3: Cross multiply
    341,838.10x = 512,757.15 × 242,110.90
  4. Step 4: Simplify right side
    341,838.10x = 124,144,095,067.94
  5. Step 5: Solve for x
    x = 124,144,095,067.94/341,838.10
  6. Step 6: Final answer
    x = 363,166.35

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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.