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Finding the Fourth Proportional to 653,624.53, 901,861.94 and 381,568.96

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Solution

The fourth proportional to 653,624.53, 901,861.94 and 381,568.96 is: 526,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,624.53 : 901,861.94 = 381,568.96 : x
  2. Step 2: Convert to fraction form
    653,624.53/901,861.94 = 381,568.96/x
  3. Step 3: Cross multiply
    653,624.53x = 901,861.94 × 381,568.96
  4. Step 4: Simplify right side
    653,624.53x = 344,122,520,601.54
  5. Step 5: Solve for x
    x = 344,122,520,601.54/653,624.53
  6. Step 6: Final answer
    x = 526,483.49

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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.