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Finding the Fourth Proportional to 341,583.66, 471,349.67 and 198,315.72

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Solution

The fourth proportional to 341,583.66, 471,349.67 and 198,315.72 is: 273,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,583.66 : 471,349.67 = 198,315.72 : x
  2. Step 2: Convert to fraction form
    341,583.66/471,349.67 = 198,315.72/x
  3. Step 3: Cross multiply
    341,583.66x = 471,349.67 × 198,315.72
  4. Step 4: Simplify right side
    341,583.66x = 93,476,048,186.23
  5. Step 5: Solve for x
    x = 93,476,048,186.23/341,583.66
  6. Step 6: Final answer
    x = 273,654.92

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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.