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Finding the Fourth Proportional to 358,347.78, 537,853.97 and 180,979.25

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Solution

The fourth proportional to 358,347.78, 537,853.97 and 180,979.25 is: 271,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,347.78 : 537,853.97 = 180,979.25 : x
  2. Step 2: Convert to fraction form
    358,347.78/537,853.97 = 180,979.25/x
  3. Step 3: Cross multiply
    358,347.78x = 537,853.97 × 180,979.25
  4. Step 4: Simplify right side
    358,347.78x = 97,340,405,863.30
  5. Step 5: Solve for x
    x = 97,340,405,863.30/358,347.78
  6. Step 6: Final answer
    x = 271,636.69

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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.