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Finding the Fourth Proportional to 265,003.59, 397,507.76 and 75,463.80

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Solution

The fourth proportional to 265,003.59, 397,507.76 and 75,463.80 is: 113,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,003.59 : 397,507.76 = 75,463.80 : x
  2. Step 2: Convert to fraction form
    265,003.59/397,507.76 = 75,463.80/x
  3. Step 3: Cross multiply
    265,003.59x = 397,507.76 × 75,463.80
  4. Step 4: Simplify right side
    265,003.59x = 29,997,446,099.09
  5. Step 5: Solve for x
    x = 29,997,446,099.09/265,003.59
  6. Step 6: Final answer
    x = 113,196.38

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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.