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Finding the Fourth Proportional to 318,785.92, 476,847.12 and 224,009.44

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Solution

The fourth proportional to 318,785.92, 476,847.12 and 224,009.44 is: 335,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,785.92 : 476,847.12 = 224,009.44 : x
  2. Step 2: Convert to fraction form
    318,785.92/476,847.12 = 224,009.44/x
  3. Step 3: Cross multiply
    318,785.92x = 476,847.12 × 224,009.44
  4. Step 4: Simplify right side
    318,785.92x = 106,818,256,316.81
  5. Step 5: Solve for x
    x = 106,818,256,316.81/318,785.92
  6. Step 6: Final answer
    x = 335,078.34

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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.