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Finding the Fourth Proportional to 474,986.56, 655,190.24 and 372,858.88

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Solution

The fourth proportional to 474,986.56, 655,190.24 and 372,858.88 is: 514,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,986.56 : 655,190.24 = 372,858.88 : x
  2. Step 2: Convert to fraction form
    474,986.56/655,190.24 = 372,858.88/x
  3. Step 3: Cross multiply
    474,986.56x = 655,190.24 × 372,858.88
  4. Step 4: Simplify right side
    474,986.56x = 244,293,499,073.33
  5. Step 5: Solve for x
    x = 244,293,499,073.33/474,986.56
  6. Step 6: Final answer
    x = 514,316.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.