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Finding the Fourth Proportional to 326,885.78, 451,078.12 and 183,669.68

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Solution

The fourth proportional to 326,885.78, 451,078.12 and 183,669.68 is: 253,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,885.78 : 451,078.12 = 183,669.68 : x
  2. Step 2: Convert to fraction form
    326,885.78/451,078.12 = 183,669.68/x
  3. Step 3: Cross multiply
    326,885.78x = 451,078.12 × 183,669.68
  4. Step 4: Simplify right side
    326,885.78x = 82,849,373,955.40
  5. Step 5: Solve for x
    x = 82,849,373,955.40/326,885.78
  6. Step 6: Final answer
    x = 253,450.53

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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.