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Finding the Fourth Proportional to 513,992.66, 767,865.16 and 332,600.34

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Solution

The fourth proportional to 513,992.66, 767,865.16 and 332,600.34 is: 496,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,992.66 : 767,865.16 = 332,600.34 : x
  2. Step 2: Convert to fraction form
    513,992.66/767,865.16 = 332,600.34/x
  3. Step 3: Cross multiply
    513,992.66x = 767,865.16 × 332,600.34
  4. Step 4: Simplify right side
    513,992.66x = 255,392,213,290.15
  5. Step 5: Solve for x
    x = 255,392,213,290.15/513,992.66
  6. Step 6: Final answer
    x = 496,879.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.