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Finding the Fourth Proportional to 325,301.57, 448,601.24 and 253,655.45

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Solution

The fourth proportional to 325,301.57, 448,601.24 and 253,655.45 is: 349,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,301.57 : 448,601.24 = 253,655.45 : x
  2. Step 2: Convert to fraction form
    325,301.57/448,601.24 = 253,655.45/x
  3. Step 3: Cross multiply
    325,301.57x = 448,601.24 × 253,655.45
  4. Step 4: Simplify right side
    325,301.57x = 113,790,148,049.33
  5. Step 5: Solve for x
    x = 113,790,148,049.33/325,301.57
  6. Step 6: Final answer
    x = 349,798.95

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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.