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Finding the Fourth Proportional to 339,538.02, 468,562.38 and 186,586.08

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Solution

The fourth proportional to 339,538.02, 468,562.38 and 186,586.08 is: 257,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,538.02 : 468,562.38 = 186,586.08 : x
  2. Step 2: Convert to fraction form
    339,538.02/468,562.38 = 186,586.08/x
  3. Step 3: Cross multiply
    339,538.02x = 468,562.38 × 186,586.08
  4. Step 4: Simplify right side
    339,538.02x = 87,427,217,719.67
  5. Step 5: Solve for x
    x = 87,427,217,719.67/339,538.02
  6. Step 6: Final answer
    x = 257,488.74

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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.