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Finding the Fourth Proportional to 513,991.64, 767,863.66 and 332,599.34

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Solution

The fourth proportional to 513,991.64, 767,863.66 and 332,599.34 is: 496,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,991.64 : 767,863.66 = 332,599.34 : x
  2. Step 2: Convert to fraction form
    513,991.64/767,863.66 = 332,599.34/x
  3. Step 3: Cross multiply
    513,991.64x = 767,863.66 × 332,599.34
  4. Step 4: Simplify right side
    513,991.64x = 255,390,946,525.98
  5. Step 5: Solve for x
    x = 255,390,946,525.98/513,991.64
  6. Step 6: Final answer
    x = 496,877.63

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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.