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Finding the Fourth Proportional to 323,885.67, 446,962.91 and 180,642.03

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Solution

The fourth proportional to 323,885.67, 446,962.91 and 180,642.03 is: 249,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,885.67 : 446,962.91 = 180,642.03 : x
  2. Step 2: Convert to fraction form
    323,885.67/446,962.91 = 180,642.03/x
  3. Step 3: Cross multiply
    323,885.67x = 446,962.91 × 180,642.03
  4. Step 4: Simplify right side
    323,885.67x = 80,740,286,493.90
  5. Step 5: Solve for x
    x = 80,740,286,493.90/323,885.67
  6. Step 6: Final answer
    x = 249,286.38

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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.