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Finding the Fourth Proportional to 653,802.44, 980,149.61 and 254,721.11

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Solution

The fourth proportional to 653,802.44, 980,149.61 and 254,721.11 is: 381,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,802.44 : 980,149.61 = 254,721.11 : x
  2. Step 2: Convert to fraction form
    653,802.44/980,149.61 = 254,721.11/x
  3. Step 3: Cross multiply
    653,802.44x = 980,149.61 × 254,721.11
  4. Step 4: Simplify right side
    653,802.44x = 249,664,792,361.32
  5. Step 5: Solve for x
    x = 249,664,792,361.32/653,802.44
  6. Step 6: Final answer
    x = 381,865.80

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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.