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Finding the Fourth Proportional to 323,525.59, 446,428.69 and 187,531.43

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Solution

The fourth proportional to 323,525.59, 446,428.69 and 187,531.43 is: 258,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,525.59 : 446,428.69 = 187,531.43 : x
  2. Step 2: Convert to fraction form
    323,525.59/446,428.69 = 187,531.43/x
  3. Step 3: Cross multiply
    323,525.59x = 446,428.69 × 187,531.43
  4. Step 4: Simplify right side
    323,525.59x = 83,719,409,710.77
  5. Step 5: Solve for x
    x = 83,719,409,710.77/323,525.59
  6. Step 6: Final answer
    x = 258,772.14

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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.