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Finding the Fourth Proportional to 317,454.88, 476,166.93 and 117,814.18

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Solution

The fourth proportional to 317,454.88, 476,166.93 and 117,814.18 is: 176,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,454.88 : 476,166.93 = 117,814.18 : x
  2. Step 2: Convert to fraction form
    317,454.88/476,166.93 = 117,814.18/x
  3. Step 3: Cross multiply
    317,454.88x = 476,166.93 × 117,814.18
  4. Step 4: Simplify right side
    317,454.88x = 56,099,216,401.07
  5. Step 5: Solve for x
    x = 56,099,216,401.07/317,454.88
  6. Step 6: Final answer
    x = 176,715.56

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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.