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Finding the Fourth Proportional to 341,431.61, 471,175.72 and 188,469.90

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Solution

The fourth proportional to 341,431.61, 471,175.72 and 188,469.90 is: 260,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,431.61 : 471,175.72 = 188,469.90 : x
  2. Step 2: Convert to fraction form
    341,431.61/471,175.72 = 188,469.90/x
  3. Step 3: Cross multiply
    341,431.61x = 471,175.72 × 188,469.90
  4. Step 4: Simplify right side
    341,431.61x = 88,802,439,888.48
  5. Step 5: Solve for x
    x = 88,802,439,888.48/341,431.61
  6. Step 6: Final answer
    x = 260,088.51

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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.