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Finding the Fourth Proportional to 632,058.32, 872,234.52 and 345,575.36

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Solution

The fourth proportional to 632,058.32, 872,234.52 and 345,575.36 is: 476,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,058.32 : 872,234.52 = 345,575.36 : x
  2. Step 2: Convert to fraction form
    632,058.32/872,234.52 = 345,575.36/x
  3. Step 3: Cross multiply
    632,058.32x = 872,234.52 × 345,575.36
  4. Step 4: Simplify right side
    632,058.32x = 301,422,758,253.43
  5. Step 5: Solve for x
    x = 301,422,758,253.43/632,058.32
  6. Step 6: Final answer
    x = 476,890.74

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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.