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Finding the Fourth Proportional to 262,887.21, 394,330.80 and 63,207.57

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Solution

The fourth proportional to 262,887.21, 394,330.80 and 63,207.57 is: 94,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,887.21 : 394,330.80 = 63,207.57 : x
  2. Step 2: Convert to fraction form
    262,887.21/394,330.80 = 63,207.57/x
  3. Step 3: Cross multiply
    262,887.21x = 394,330.80 × 63,207.57
  4. Step 4: Simplify right side
    262,887.21x = 24,924,691,644.16
  5. Step 5: Solve for x
    x = 24,924,691,644.16/262,887.21
  6. Step 6: Final answer
    x = 94,811.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.