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Finding the Fourth Proportional to 468,785.08, 646,923.12 and 253,924.64

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Solution

The fourth proportional to 468,785.08, 646,923.12 and 253,924.64 is: 350,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,785.08 : 646,923.12 = 253,924.64 : x
  2. Step 2: Convert to fraction form
    468,785.08/646,923.12 = 253,924.64/x
  3. Step 3: Cross multiply
    468,785.08x = 646,923.12 × 253,924.64
  4. Step 4: Simplify right side
    468,785.08x = 164,269,720,353.68
  5. Step 5: Solve for x
    x = 164,269,720,353.68/468,785.08
  6. Step 6: Final answer
    x = 350,415.85

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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.