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Finding the Fourth Proportional to 352,995.93, 487,137.58 and 191,851.36

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Solution

The fourth proportional to 352,995.93, 487,137.58 and 191,851.36 is: 264,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,995.93 : 487,137.58 = 191,851.36 : x
  2. Step 2: Convert to fraction form
    352,995.93/487,137.58 = 191,851.36/x
  3. Step 3: Cross multiply
    352,995.93x = 487,137.58 × 191,851.36
  4. Step 4: Simplify right side
    352,995.93x = 93,458,005,532.64
  5. Step 5: Solve for x
    x = 93,458,005,532.64/352,995.93
  6. Step 6: Final answer
    x = 264,756.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.