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Finding the Fourth Proportional to 541,906.72, 748,196.40 and 338,267.68

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Solution

The fourth proportional to 541,906.72, 748,196.40 and 338,267.68 is: 467,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,906.72 : 748,196.40 = 338,267.68 : x
  2. Step 2: Convert to fraction form
    541,906.72/748,196.40 = 338,267.68/x
  3. Step 3: Cross multiply
    541,906.72x = 748,196.40 × 338,267.68
  4. Step 4: Simplify right side
    541,906.72x = 253,090,660,412.35
  5. Step 5: Solve for x
    x = 253,090,660,412.35/541,906.72
  6. Step 6: Final answer
    x = 467,037.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.