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Finding the Fourth Proportional to 311,510.73, 466,955.54 and 131,641.52

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Solution

The fourth proportional to 311,510.73, 466,955.54 and 131,641.52 is: 197,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,510.73 : 466,955.54 = 131,641.52 : x
  2. Step 2: Convert to fraction form
    311,510.73/466,955.54 = 131,641.52/x
  3. Step 3: Cross multiply
    311,510.73x = 466,955.54 × 131,641.52
  4. Step 4: Simplify right side
    311,510.73x = 61,470,737,567.20
  5. Step 5: Solve for x
    x = 61,470,737,567.20/311,510.73
  6. Step 6: Final answer
    x = 197,331.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.