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Finding the Fourth Proportional to 541,357.74, 747,054.63 and 299,640.78

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Solution

The fourth proportional to 541,357.74, 747,054.63 and 299,640.78 is: 413,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,357.74 : 747,054.63 = 299,640.78 : x
  2. Step 2: Convert to fraction form
    541,357.74/747,054.63 = 299,640.78/x
  3. Step 3: Cross multiply
    541,357.74x = 747,054.63 × 299,640.78
  4. Step 4: Simplify right side
    541,357.74x = 223,848,032,035.81
  5. Step 5: Solve for x
    x = 223,848,032,035.81/541,357.74
  6. Step 6: Final answer
    x = 413,493.73

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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.