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Finding the Fourth Proportional to 292,394.58, 403,507.86 and 171,537.96

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Solution

The fourth proportional to 292,394.58, 403,507.86 and 171,537.96 is: 236,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,394.58 : 403,507.86 = 171,537.96 : x
  2. Step 2: Convert to fraction form
    292,394.58/403,507.86 = 171,537.96/x
  3. Step 3: Cross multiply
    292,394.58x = 403,507.86 × 171,537.96
  4. Step 4: Simplify right side
    292,394.58x = 69,216,915,148.37
  5. Step 5: Solve for x
    x = 69,216,915,148.37/292,394.58
  6. Step 6: Final answer
    x = 236,724.34

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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.