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Finding the Fourth Proportional to 244,316.70, 367,459.20 and 218,728.80

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Solution

The fourth proportional to 244,316.70, 367,459.20 and 218,728.80 is: 328,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,316.70 : 367,459.20 = 218,728.80 : x
  2. Step 2: Convert to fraction form
    244,316.70/367,459.20 = 218,728.80/x
  3. Step 3: Cross multiply
    244,316.70x = 367,459.20 × 218,728.80
  4. Step 4: Simplify right side
    244,316.70x = 80,373,909,864.96
  5. Step 5: Solve for x
    x = 80,373,909,864.96/244,316.70
  6. Step 6: Final answer
    x = 328,974.28

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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.