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Finding the Fourth Proportional to 292,479.72, 403,584.93 and 171,576.89

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Solution

The fourth proportional to 292,479.72, 403,584.93 and 171,576.89 is: 236,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,479.72 : 403,584.93 = 171,576.89 : x
  2. Step 2: Convert to fraction form
    292,479.72/403,584.93 = 171,576.89/x
  3. Step 3: Cross multiply
    292,479.72x = 403,584.93 × 171,576.89
  4. Step 4: Simplify right side
    292,479.72x = 69,245,848,292.13
  5. Step 5: Solve for x
    x = 69,245,848,292.13/292,479.72
  6. Step 6: Final answer
    x = 236,754.36

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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.