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Finding the Fourth Proportional to 271,501.52, 406,587.65 and 191,342.48

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Solution

The fourth proportional to 271,501.52, 406,587.65 and 191,342.48 is: 286,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,501.52 : 406,587.65 = 191,342.48 : x
  2. Step 2: Convert to fraction form
    271,501.52/406,587.65 = 191,342.48/x
  3. Step 3: Cross multiply
    271,501.52x = 406,587.65 × 191,342.48
  4. Step 4: Simplify right side
    271,501.52x = 77,797,486,298.72
  5. Step 5: Solve for x
    x = 77,797,486,298.72/271,501.52
  6. Step 6: Final answer
    x = 286,545.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.