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Finding the Fourth Proportional to 291,530.37, 402,174.41 and 170,596.79

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Solution

The fourth proportional to 291,530.37, 402,174.41 and 170,596.79 is: 235,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,530.37 : 402,174.41 = 170,596.79 : x
  2. Step 2: Convert to fraction form
    291,530.37/402,174.41 = 170,596.79/x
  3. Step 3: Cross multiply
    291,530.37x = 402,174.41 × 170,596.79
  4. Step 4: Simplify right side
    291,530.37x = 68,609,662,010.44
  5. Step 5: Solve for x
    x = 68,609,662,010.44/291,530.37
  6. Step 6: Final answer
    x = 235,343.10

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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.