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Finding the Fourth Proportional to 329,152.79, 493,747.61 and 92,477

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Solution

The fourth proportional to 329,152.79, 493,747.61 and 92,477 is: 138,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,152.79 : 493,747.61 = 92,477 : x
  2. Step 2: Convert to fraction form
    329,152.79/493,747.61 = 92,477/x
  3. Step 3: Cross multiply
    329,152.79x = 493,747.61 × 92,477
  4. Step 4: Simplify right side
    329,152.79x = 45,660,297,729.97
  5. Step 5: Solve for x
    x = 45,660,297,729.97/329,152.79
  6. Step 6: Final answer
    x = 138,720.68

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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.