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Finding the Fourth Proportional to 472,163.08, 651,568.50 and 257,298.76

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Solution

The fourth proportional to 472,163.08, 651,568.50 and 257,298.76 is: 355,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,163.08 : 651,568.50 = 257,298.76 : x
  2. Step 2: Convert to fraction form
    472,163.08/651,568.50 = 257,298.76/x
  3. Step 3: Cross multiply
    472,163.08x = 651,568.50 × 257,298.76
  4. Step 4: Simplify right side
    472,163.08x = 167,647,767,105.06
  5. Step 5: Solve for x
    x = 167,647,767,105.06/472,163.08
  6. Step 6: Final answer
    x = 355,063.27

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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.