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Finding the Fourth Proportional to 404,345.42, 558,176.03 and 261,175.29

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Solution

The fourth proportional to 404,345.42, 558,176.03 and 261,175.29 is: 360,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,345.42 : 558,176.03 = 261,175.29 : x
  2. Step 2: Convert to fraction form
    404,345.42/558,176.03 = 261,175.29/x
  3. Step 3: Cross multiply
    404,345.42x = 558,176.03 × 261,175.29
  4. Step 4: Simplify right side
    404,345.42x = 145,781,784,086.67
  5. Step 5: Solve for x
    x = 145,781,784,086.67/404,345.42
  6. Step 6: Final answer
    x = 360,537.74

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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.