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Finding the Fourth Proportional to 635,233.83, 876,611.70 and 348,751.86

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Solution

The fourth proportional to 635,233.83, 876,611.70 and 348,751.86 is: 481,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,233.83 : 876,611.70 = 348,751.86 : x
  2. Step 2: Convert to fraction form
    635,233.83/876,611.70 = 348,751.86/x
  3. Step 3: Cross multiply
    635,233.83x = 876,611.70 × 348,751.86
  4. Step 4: Simplify right side
    635,233.83x = 305,719,960,872.76
  5. Step 5: Solve for x
    x = 305,719,960,872.76/635,233.83
  6. Step 6: Final answer
    x = 481,271.54

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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.