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Finding the Fourth Proportional to 448,633.68, 619,092.64 and 267,341.58

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Solution

The fourth proportional to 448,633.68, 619,092.64 and 267,341.58 is: 368,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,633.68 : 619,092.64 = 267,341.58 : x
  2. Step 2: Convert to fraction form
    448,633.68/619,092.64 = 267,341.58/x
  3. Step 3: Cross multiply
    448,633.68x = 619,092.64 × 267,341.58
  4. Step 4: Simplify right side
    448,633.68x = 165,509,204,543.97
  5. Step 5: Solve for x
    x = 165,509,204,543.97/448,633.68
  6. Step 6: Final answer
    x = 368,918.37

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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.