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Finding the Fourth Proportional to 323,357.22, 446,232.96 and 187,470

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Solution

The fourth proportional to 323,357.22, 446,232.96 and 187,470 is: 258,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,357.22 : 446,232.96 = 187,470 : x
  2. Step 2: Convert to fraction form
    323,357.22/446,232.96 = 187,470/x
  3. Step 3: Cross multiply
    323,357.22x = 446,232.96 × 187,470
  4. Step 4: Simplify right side
    323,357.22x = 83,655,293,011.20
  5. Step 5: Solve for x
    x = 83,655,293,011.20/323,357.22
  6. Step 6: Final answer
    x = 258,708.60

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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.