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Finding the Fourth Proportional to 634,100.26, 875,058.28 and 347,622.37

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Solution

The fourth proportional to 634,100.26, 875,058.28 and 347,622.37 is: 479,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,100.26 : 875,058.28 = 347,622.37 : x
  2. Step 2: Convert to fraction form
    634,100.26/875,058.28 = 347,622.37/x
  3. Step 3: Cross multiply
    634,100.26x = 875,058.28 × 347,622.37
  4. Step 4: Simplify right side
    634,100.26x = 304,189,833,181.72
  5. Step 5: Solve for x
    x = 304,189,833,181.72/634,100.26
  6. Step 6: Final answer
    x = 479,718.83

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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.