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Finding the Fourth Proportional to 341,969.50, 471,942.33 and 189,004.40

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Solution

The fourth proportional to 341,969.50, 471,942.33 and 189,004.40 is: 260,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,969.50 : 471,942.33 = 189,004.40 : x
  2. Step 2: Convert to fraction form
    341,969.50/471,942.33 = 189,004.40/x
  3. Step 3: Cross multiply
    341,969.50x = 471,942.33 × 189,004.40
  4. Step 4: Simplify right side
    341,969.50x = 89,199,176,916.25
  5. Step 5: Solve for x
    x = 89,199,176,916.25/341,969.50
  6. Step 6: Final answer
    x = 260,839.57

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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.