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Finding the Fourth Proportional to 522,170.96, 720,631.56 and 295,818.32

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Solution

The fourth proportional to 522,170.96, 720,631.56 and 295,818.32 is: 408,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,170.96 : 720,631.56 = 295,818.32 : x
  2. Step 2: Convert to fraction form
    522,170.96/720,631.56 = 295,818.32/x
  3. Step 3: Cross multiply
    522,170.96x = 720,631.56 × 295,818.32
  4. Step 4: Simplify right side
    522,170.96x = 213,176,017,418.18
  5. Step 5: Solve for x
    x = 213,176,017,418.18/522,170.96
  6. Step 6: Final answer
    x = 408,249.47

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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.