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Finding the Fourth Proportional to 637,216.24, 955,233.60 and 282,040.96

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Solution

The fourth proportional to 637,216.24, 955,233.60 and 282,040.96 is: 422,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,216.24 : 955,233.60 = 282,040.96 : x
  2. Step 2: Convert to fraction form
    637,216.24/955,233.60 = 282,040.96/x
  3. Step 3: Cross multiply
    637,216.24x = 955,233.60 × 282,040.96
  4. Step 4: Simplify right side
    637,216.24x = 269,415,001,568.26
  5. Step 5: Solve for x
    x = 269,415,001,568.26/637,216.24
  6. Step 6: Final answer
    x = 422,799.96

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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.