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Finding the Fourth Proportional to 323,322.73, 446,144.93 and 187,354.21

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Solution

The fourth proportional to 323,322.73, 446,144.93 and 187,354.21 is: 258,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,322.73 : 446,144.93 = 187,354.21 : x
  2. Step 2: Convert to fraction form
    323,322.73/446,144.93 = 187,354.21/x
  3. Step 3: Cross multiply
    323,322.73x = 446,144.93 × 187,354.21
  4. Step 4: Simplify right side
    323,322.73x = 83,587,130,258.68
  5. Step 5: Solve for x
    x = 83,587,130,258.68/323,322.73
  6. Step 6: Final answer
    x = 258,525.38

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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.