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Finding the Fourth Proportional to 491,166.13, 736,871.83 and 171,322.65

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Solution

The fourth proportional to 491,166.13, 736,871.83 and 171,322.65 is: 257,026.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,166.13 : 736,871.83 = 171,322.65 : x
  2. Step 2: Convert to fraction form
    491,166.13/736,871.83 = 171,322.65/x
  3. Step 3: Cross multiply
    491,166.13x = 736,871.83 × 171,322.65
  4. Step 4: Simplify right side
    491,166.13x = 126,242,834,625.95
  5. Step 5: Solve for x
    x = 126,242,834,625.95/491,166.13
  6. Step 6: Final answer
    x = 257,026.75

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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.