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Finding the Fourth Proportional to 911,651.97, 1,367,478.77 and 237,732.51

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Solution

The fourth proportional to 911,651.97, 1,367,478.77 and 237,732.51 is: 356,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,651.97 : 1,367,478.77 = 237,732.51 : x
  2. Step 2: Convert to fraction form
    911,651.97/1,367,478.77 = 237,732.51/x
  3. Step 3: Cross multiply
    911,651.97x = 1,367,478.77 × 237,732.51
  4. Step 4: Simplify right side
    911,651.97x = 325,094,159,175.15
  5. Step 5: Solve for x
    x = 325,094,159,175.15/911,651.97
  6. Step 6: Final answer
    x = 356,598.98

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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.