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Finding the Fourth Proportional to 265,037.64, 397,558.64 and 75,497.84

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Solution

The fourth proportional to 265,037.64, 397,558.64 and 75,497.84 is: 113,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,037.64 : 397,558.64 = 75,497.84 : x
  2. Step 2: Convert to fraction form
    265,037.64/397,558.64 = 75,497.84/x
  3. Step 3: Cross multiply
    265,037.64x = 397,558.64 × 75,497.84
  4. Step 4: Simplify right side
    265,037.64x = 30,014,818,593.34
  5. Step 5: Solve for x
    x = 30,014,818,593.34/265,037.64
  6. Step 6: Final answer
    x = 113,247.38

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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.