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Finding the Fourth Proportional to 911,600.10, 1,367,400.15 and 246,752.10

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Solution

The fourth proportional to 911,600.10, 1,367,400.15 and 246,752.10 is: 370,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,600.10 : 1,367,400.15 = 246,752.10 : x
  2. Step 2: Convert to fraction form
    911,600.10/1,367,400.15 = 246,752.10/x
  3. Step 3: Cross multiply
    911,600.10x = 1,367,400.15 × 246,752.10
  4. Step 4: Simplify right side
    911,600.10x = 337,408,858,552.82
  5. Step 5: Solve for x
    x = 337,408,858,552.82/911,600.10
  6. Step 6: Final answer
    x = 370,128.15

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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.