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Finding the Fourth Proportional to 383,358.66, 575,043.99 and 113,514.18

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Solution

The fourth proportional to 383,358.66, 575,043.99 and 113,514.18 is: 170,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,358.66 : 575,043.99 = 113,514.18 : x
  2. Step 2: Convert to fraction form
    383,358.66/575,043.99 = 113,514.18/x
  3. Step 3: Cross multiply
    383,358.66x = 575,043.99 × 113,514.18
  4. Step 4: Simplify right side
    383,358.66x = 65,275,646,988.78
  5. Step 5: Solve for x
    x = 65,275,646,988.78/383,358.66
  6. Step 6: Final answer
    x = 170,273.05

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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.