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Finding the Fourth Proportional to 341,545.50, 471,333.06 and 190,642.50

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Solution

The fourth proportional to 341,545.50, 471,333.06 and 190,642.50 is: 263,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,545.50 : 471,333.06 = 190,642.50 : x
  2. Step 2: Convert to fraction form
    341,545.50/471,333.06 = 190,642.50/x
  3. Step 3: Cross multiply
    341,545.50x = 471,333.06 × 190,642.50
  4. Step 4: Simplify right side
    341,545.50x = 89,856,112,891.05
  5. Step 5: Solve for x
    x = 89,856,112,891.05/341,545.50
  6. Step 6: Final answer
    x = 263,086.80

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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.