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Finding the Fourth Proportional to 358,173.51, 536,582.97 and 211,676.29

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Solution

The fourth proportional to 358,173.51, 536,582.97 and 211,676.29 is: 317,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,173.51 : 536,582.97 = 211,676.29 : x
  2. Step 2: Convert to fraction form
    358,173.51/536,582.97 = 211,676.29/x
  3. Step 3: Cross multiply
    358,173.51x = 536,582.97 × 211,676.29
  4. Step 4: Simplify right side
    358,173.51x = 113,581,892,366.78
  5. Step 5: Solve for x
    x = 113,581,892,366.78/358,173.51
  6. Step 6: Final answer
    x = 317,114.16

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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.