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Finding the Fourth Proportional to 444,333.72, 613,179.18 and 243,129.72

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Solution

The fourth proportional to 444,333.72, 613,179.18 and 243,129.72 is: 335,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,333.72 : 613,179.18 = 243,129.72 : x
  2. Step 2: Convert to fraction form
    444,333.72/613,179.18 = 243,129.72/x
  3. Step 3: Cross multiply
    444,333.72x = 613,179.18 × 243,129.72
  4. Step 4: Simplify right side
    444,333.72x = 149,082,082,343.23
  5. Step 5: Solve for x
    x = 149,082,082,343.23/444,333.72
  6. Step 6: Final answer
    x = 335,518.27

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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.