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Finding the Fourth Proportional to 339,449.14, 468,437.86 and 186,484.04

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Solution

The fourth proportional to 339,449.14, 468,437.86 and 186,484.04 is: 257,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,449.14 : 468,437.86 = 186,484.04 : x
  2. Step 2: Convert to fraction form
    339,449.14/468,437.86 = 186,484.04/x
  3. Step 3: Cross multiply
    339,449.14x = 468,437.86 × 186,484.04
  4. Step 4: Simplify right side
    339,449.14x = 87,356,184,621.75
  5. Step 5: Solve for x
    x = 87,356,184,621.75/339,449.14
  6. Step 6: Final answer
    x = 257,346.90

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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.