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Finding the Fourth Proportional to 484,039.60, 726,104.93 and 142,483.25

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Solution

The fourth proportional to 484,039.60, 726,104.93 and 142,483.25 is: 213,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,039.60 : 726,104.93 = 142,483.25 : x
  2. Step 2: Convert to fraction form
    484,039.60/726,104.93 = 142,483.25/x
  3. Step 3: Cross multiply
    484,039.60x = 726,104.93 × 142,483.25
  4. Step 4: Simplify right side
    484,039.60x = 103,457,785,924.48
  5. Step 5: Solve for x
    x = 103,457,785,924.48/484,039.60
  6. Step 6: Final answer
    x = 213,738.27

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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.