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Finding the Fourth Proportional to 317,453.88, 476,165.43 and 117,813.18

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Solution

The fourth proportional to 317,453.88, 476,165.43 and 117,813.18 is: 176,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,453.88 : 476,165.43 = 117,813.18 : x
  2. Step 2: Convert to fraction form
    317,453.88/476,165.43 = 117,813.18/x
  3. Step 3: Cross multiply
    317,453.88x = 476,165.43 × 117,813.18
  4. Step 4: Simplify right side
    317,453.88x = 56,098,563,514.37
  5. Step 5: Solve for x
    x = 56,098,563,514.37/317,453.88
  6. Step 6: Final answer
    x = 176,714.06

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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.