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Finding the Fourth Proportional to 361,434.83, 498,792.92 and 218,166.89

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Solution

The fourth proportional to 361,434.83, 498,792.92 and 218,166.89 is: 301,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,434.83 : 498,792.92 = 218,166.89 : x
  2. Step 2: Convert to fraction form
    361,434.83/498,792.92 = 218,166.89/x
  3. Step 3: Cross multiply
    361,434.83x = 498,792.92 × 218,166.89
  4. Step 4: Simplify right side
    361,434.83x = 108,820,096,525.62
  5. Step 5: Solve for x
    x = 108,820,096,525.62/361,434.83
  6. Step 6: Final answer
    x = 301,078.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.