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Finding the Fourth Proportional to 635,257.92, 876,678.48 and 348,799.92

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Solution

The fourth proportional to 635,257.92, 876,678.48 and 348,799.92 is: 481,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,257.92 : 876,678.48 = 348,799.92 : x
  2. Step 2: Convert to fraction form
    635,257.92/876,678.48 = 348,799.92/x
  3. Step 3: Cross multiply
    635,257.92x = 876,678.48 × 348,799.92
  4. Step 4: Simplify right side
    635,257.92x = 305,785,383,689.72
  5. Step 5: Solve for x
    x = 305,785,383,689.72/635,257.92
  6. Step 6: Final answer
    x = 481,356.27

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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.