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Finding the Fourth Proportional to 353,063.66, 487,233.52 and 191,919.02

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Solution

The fourth proportional to 353,063.66, 487,233.52 and 191,919.02 is: 264,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,063.66 : 487,233.52 = 191,919.02 : x
  2. Step 2: Convert to fraction form
    353,063.66/487,233.52 = 191,919.02/x
  3. Step 3: Cross multiply
    353,063.66x = 487,233.52 × 191,919.02
  4. Step 4: Simplify right side
    353,063.66x = 93,509,379,669.55
  5. Step 5: Solve for x
    x = 93,509,379,669.55/353,063.66
  6. Step 6: Final answer
    x = 264,851.33

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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.