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Finding the Fourth Proportional to 329,083.14, 493,624.71 and 79,765.14

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Solution

The fourth proportional to 329,083.14, 493,624.71 and 79,765.14 is: 119,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,083.14 : 493,624.71 = 79,765.14 : x
  2. Step 2: Convert to fraction form
    329,083.14/493,624.71 = 79,765.14/x
  3. Step 3: Cross multiply
    329,083.14x = 493,624.71 × 79,765.14
  4. Step 4: Simplify right side
    329,083.14x = 39,374,044,100.61
  5. Step 5: Solve for x
    x = 39,374,044,100.61/329,083.14
  6. Step 6: Final answer
    x = 119,647.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.