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Finding the Fourth Proportional to 341,632.79, 471,510.94 and 198,475.87

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Solution

The fourth proportional to 341,632.79, 471,510.94 and 198,475.87 is: 273,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,632.79 : 471,510.94 = 198,475.87 : x
  2. Step 2: Convert to fraction form
    341,632.79/471,510.94 = 198,475.87/x
  3. Step 3: Cross multiply
    341,632.79x = 471,510.94 × 198,475.87
  4. Step 4: Simplify right side
    341,632.79x = 93,583,542,774.96
  5. Step 5: Solve for x
    x = 93,583,542,774.96/341,632.79
  6. Step 6: Final answer
    x = 273,930.21

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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.