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Finding the Fourth Proportional to 431,487.52, 646,782.23 and 241,669.58

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Solution

The fourth proportional to 431,487.52, 646,782.23 and 241,669.58 is: 362,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,487.52 : 646,782.23 = 241,669.58 : x
  2. Step 2: Convert to fraction form
    431,487.52/646,782.23 = 241,669.58/x
  3. Step 3: Cross multiply
    431,487.52x = 646,782.23 × 241,669.58
  4. Step 4: Simplify right side
    431,487.52x = 156,307,587,245.83
  5. Step 5: Solve for x
    x = 156,307,587,245.83/431,487.52
  6. Step 6: Final answer
    x = 362,252.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.