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Finding the Fourth Proportional to 389,792.71, 584,922.30 and 168,176.71

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Solution

The fourth proportional to 389,792.71, 584,922.30 and 168,176.71 is: 252,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,792.71 : 584,922.30 = 168,176.71 : x
  2. Step 2: Convert to fraction form
    389,792.71/584,922.30 = 168,176.71/x
  3. Step 3: Cross multiply
    389,792.71x = 584,922.30 × 168,176.71
  4. Step 4: Simplify right side
    389,792.71x = 98,370,308,019.63
  5. Step 5: Solve for x
    x = 98,370,308,019.63/389,792.71
  6. Step 6: Final answer
    x = 252,365.69

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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.