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Finding the Fourth Proportional to 398,228.52, 595,939.02 and 248,538.90

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Solution

The fourth proportional to 398,228.52, 595,939.02 and 248,538.90 is: 371,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,228.52 : 595,939.02 = 248,538.90 : x
  2. Step 2: Convert to fraction form
    398,228.52/595,939.02 = 248,538.90/x
  3. Step 3: Cross multiply
    398,228.52x = 595,939.02 × 248,538.90
  4. Step 4: Simplify right side
    398,228.52x = 148,114,028,497.88
  5. Step 5: Solve for x
    x = 148,114,028,497.88/398,228.52
  6. Step 6: Final answer
    x = 371,932.25

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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.