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Finding the Fourth Proportional to 317,279.66, 475,682.76 and 190,890.29

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Solution

The fourth proportional to 317,279.66, 475,682.76 and 190,890.29 is: 286,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,279.66 : 475,682.76 = 190,890.29 : x
  2. Step 2: Convert to fraction form
    317,279.66/475,682.76 = 190,890.29/x
  3. Step 3: Cross multiply
    317,279.66x = 475,682.76 × 190,890.29
  4. Step 4: Simplify right side
    317,279.66x = 90,803,221,193.61
  5. Step 5: Solve for x
    x = 90,803,221,193.61/317,279.66
  6. Step 6: Final answer
    x = 286,193.02

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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.