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Finding the Fourth Proportional to 317,284.18, 475,622.88 and 117,550.96

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Solution

The fourth proportional to 317,284.18, 475,622.88 and 117,550.96 is: 176,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,284.18 : 475,622.88 = 117,550.96 : x
  2. Step 2: Convert to fraction form
    317,284.18/475,622.88 = 117,550.96/x
  3. Step 3: Cross multiply
    317,284.18x = 475,622.88 × 117,550.96
  4. Step 4: Simplify right side
    317,284.18x = 55,909,926,141.96
  5. Step 5: Solve for x
    x = 55,909,926,141.96/317,284.18
  6. Step 6: Final answer
    x = 176,214.04

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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.