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Finding the Fourth Proportional to 492,715.30, 739,182.30 and 226,411.60

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Solution

The fourth proportional to 492,715.30, 739,182.30 and 226,411.60 is: 339,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,715.30 : 739,182.30 = 226,411.60 : x
  2. Step 2: Convert to fraction form
    492,715.30/739,182.30 = 226,411.60/x
  3. Step 3: Cross multiply
    492,715.30x = 739,182.30 × 226,411.60
  4. Step 4: Simplify right side
    492,715.30x = 167,359,447,234.68
  5. Step 5: Solve for x
    x = 167,359,447,234.68/492,715.30
  6. Step 6: Final answer
    x = 339,667.65

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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.