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Finding the Fourth Proportional to 635,455.92, 876,926.88 and 348,994.56

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Solution

The fourth proportional to 635,455.92, 876,926.88 and 348,994.56 is: 481,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,455.92 : 876,926.88 = 348,994.56 : x
  2. Step 2: Convert to fraction form
    635,455.92/876,926.88 = 348,994.56/x
  3. Step 3: Cross multiply
    635,455.92x = 876,926.88 × 348,994.56
  4. Step 4: Simplify right side
    635,455.92x = 306,042,710,637.77
  5. Step 5: Solve for x
    x = 306,042,710,637.77/635,455.92
  6. Step 6: Final answer
    x = 481,611.24

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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.