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Finding the Fourth Proportional to 544,379.86, 751,227.78 and 302,667.76

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Solution

The fourth proportional to 544,379.86, 751,227.78 and 302,667.76 is: 417,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,379.86 : 751,227.78 = 302,667.76 : x
  2. Step 2: Convert to fraction form
    544,379.86/751,227.78 = 302,667.76/x
  3. Step 3: Cross multiply
    544,379.86x = 751,227.78 × 302,667.76
  4. Step 4: Simplify right side
    544,379.86x = 227,372,429,422.37
  5. Step 5: Solve for x
    x = 227,372,429,422.37/544,379.86
  6. Step 6: Final answer
    x = 417,672.38

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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.