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Finding the Fourth Proportional to 444,330.50, 613,176.50 and 243,126.50

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Solution

The fourth proportional to 444,330.50, 613,176.50 and 243,126.50 is: 335,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,330.50 : 613,176.50 = 243,126.50 : x
  2. Step 2: Convert to fraction form
    444,330.50/613,176.50 = 243,126.50/x
  3. Step 3: Cross multiply
    444,330.50x = 613,176.50 × 243,126.50
  4. Step 4: Simplify right side
    444,330.50x = 149,079,456,327.25
  5. Step 5: Solve for x
    x = 149,079,456,327.25/444,330.50
  6. Step 6: Final answer
    x = 335,514.79

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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.