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Finding the Fourth Proportional to 635,305.32, 876,715.20 and 348,822.84

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Solution

The fourth proportional to 635,305.32, 876,715.20 and 348,822.84 is: 481,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,305.32 : 876,715.20 = 348,822.84 : x
  2. Step 2: Convert to fraction form
    635,305.32/876,715.20 = 348,822.84/x
  3. Step 3: Cross multiply
    635,305.32x = 876,715.20 × 348,822.84
  4. Step 4: Simplify right side
    635,305.32x = 305,818,285,935.17
  5. Step 5: Solve for x
    x = 305,818,285,935.17/635,305.32
  6. Step 6: Final answer
    x = 481,372.15

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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.