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Finding the Fourth Proportional to 283,640.10, 425,460.15 and 248,648.10

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Solution

The fourth proportional to 283,640.10, 425,460.15 and 248,648.10 is: 372,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,640.10 : 425,460.15 = 248,648.10 : x
  2. Step 2: Convert to fraction form
    283,640.10/425,460.15 = 248,648.10/x
  3. Step 3: Cross multiply
    283,640.10x = 425,460.15 × 248,648.10
  4. Step 4: Simplify right side
    283,640.10x = 105,789,857,923.22
  5. Step 5: Solve for x
    x = 105,789,857,923.22/283,640.10
  6. Step 6: Final answer
    x = 372,972.15

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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.