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Finding the Fourth Proportional to 333,258.82, 499,792.70 and 108,638.86

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Solution

The fourth proportional to 333,258.82, 499,792.70 and 108,638.86 is: 162,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,258.82 : 499,792.70 = 108,638.86 : x
  2. Step 2: Convert to fraction form
    333,258.82/499,792.70 = 108,638.86/x
  3. Step 3: Cross multiply
    333,258.82x = 499,792.70 × 108,638.86
  4. Step 4: Simplify right side
    333,258.82x = 54,296,909,164.32
  5. Step 5: Solve for x
    x = 54,296,909,164.32/333,258.82
  6. Step 6: Final answer
    x = 162,927.15

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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.