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Finding the Fourth Proportional to 340,329.68, 469,646.37 and 187,366.35

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Solution

The fourth proportional to 340,329.68, 469,646.37 and 187,366.35 is: 258,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,329.68 : 469,646.37 = 187,366.35 : x
  2. Step 2: Convert to fraction form
    340,329.68/469,646.37 = 187,366.35/x
  3. Step 3: Cross multiply
    340,329.68x = 469,646.37 × 187,366.35
  4. Step 4: Simplify right side
    340,329.68x = 87,995,926,137.65
  5. Step 5: Solve for x
    x = 87,995,926,137.65/340,329.68
  6. Step 6: Final answer
    x = 258,560.83

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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.