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Finding the Fourth Proportional to 472,105.20, 651,121.56 and 432,745.68

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Solution

The fourth proportional to 472,105.20, 651,121.56 and 432,745.68 is: 596,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,105.20 : 651,121.56 = 432,745.68 : x
  2. Step 2: Convert to fraction form
    472,105.20/651,121.56 = 432,745.68/x
  3. Step 3: Cross multiply
    472,105.20x = 651,121.56 × 432,745.68
  4. Step 4: Simplify right side
    472,105.20x = 281,770,042,244.86
  5. Step 5: Solve for x
    x = 281,770,042,244.86/472,105.20
  6. Step 6: Final answer
    x = 596,837.40

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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.