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Finding the Fourth Proportional to 323,339.61, 446,208.75 and 187,452.33

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Solution

The fourth proportional to 323,339.61, 446,208.75 and 187,452.33 is: 258,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,339.61 : 446,208.75 = 187,452.33 : x
  2. Step 2: Convert to fraction form
    323,339.61/446,208.75 = 187,452.33/x
  3. Step 3: Cross multiply
    323,339.61x = 446,208.75 × 187,452.33
  4. Step 4: Simplify right side
    323,339.61x = 83,642,869,853.89
  5. Step 5: Solve for x
    x = 83,642,869,853.89/323,339.61
  6. Step 6: Final answer
    x = 258,684.27

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1.5x scale

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.