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Finding the Fourth Proportional to 493,530.62, 681,072.48 and 267,176.12

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Solution

The fourth proportional to 493,530.62, 681,072.48 and 267,176.12 is: 368,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,530.62 : 681,072.48 = 267,176.12 : x
  2. Step 2: Convert to fraction form
    493,530.62/681,072.48 = 267,176.12/x
  3. Step 3: Cross multiply
    493,530.62x = 681,072.48 × 267,176.12
  4. Step 4: Simplify right side
    493,530.62x = 181,966,299,239.82
  5. Step 5: Solve for x
    x = 181,966,299,239.82/493,530.62
  6. Step 6: Final answer
    x = 368,703.16

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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.