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Finding the Fourth Proportional to 484,130.58, 726,169.60 and 147,144.96

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Solution

The fourth proportional to 484,130.58, 726,169.60 and 147,144.96 is: 220,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,130.58 : 726,169.60 = 147,144.96 : x
  2. Step 2: Convert to fraction form
    484,130.58/726,169.60 = 147,144.96/x
  3. Step 3: Cross multiply
    484,130.58x = 726,169.60 × 147,144.96
  4. Step 4: Simplify right side
    484,130.58x = 106,852,198,143.81
  5. Step 5: Solve for x
    x = 106,852,198,143.81/484,130.58
  6. Step 6: Final answer
    x = 220,709.46

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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.