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Finding the Fourth Proportional to 635,125.04, 876,469.08 and 348,650

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Solution

The fourth proportional to 635,125.04, 876,469.08 and 348,650 is: 481,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,125.04 : 876,469.08 = 348,650 : x
  2. Step 2: Convert to fraction form
    635,125.04/876,469.08 = 348,650/x
  3. Step 3: Cross multiply
    635,125.04x = 876,469.08 × 348,650
  4. Step 4: Simplify right side
    635,125.04x = 305,580,944,742
  5. Step 5: Solve for x
    x = 305,580,944,742/635,125.04
  6. Step 6: Final answer
    x = 481,135.09

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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.