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Finding the Fourth Proportional to 278,325.32, 383,916.31 and 244,306.94

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Solution

The fourth proportional to 278,325.32, 383,916.31 and 244,306.94 is: 336,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,325.32 : 383,916.31 = 244,306.94 : x
  2. Step 2: Convert to fraction form
    278,325.32/383,916.31 = 244,306.94/x
  3. Step 3: Cross multiply
    278,325.32x = 383,916.31 × 244,306.94
  4. Step 4: Simplify right side
    278,325.32x = 93,793,416,381.84
  5. Step 5: Solve for x
    x = 93,793,416,381.84/278,325.32
  6. Step 6: Final answer
    x = 336,992.04

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1.5x scale

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.