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Finding the Fourth Proportional to 333,049.20, 499,638.60 and 96,399.60

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Solution

The fourth proportional to 333,049.20, 499,638.60 and 96,399.60 is: 144,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,049.20 : 499,638.60 = 96,399.60 : x
  2. Step 2: Convert to fraction form
    333,049.20/499,638.60 = 96,399.60/x
  3. Step 3: Cross multiply
    333,049.20x = 499,638.60 × 96,399.60
  4. Step 4: Simplify right side
    333,049.20x = 48,164,961,184.56
  5. Step 5: Solve for x
    x = 48,164,961,184.56/333,049.20
  6. Step 6: Final answer
    x = 144,618.16

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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.