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Finding the Fourth Proportional to 484,324.02, 726,596.60 and 147,412.42

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Solution

The fourth proportional to 484,324.02, 726,596.60 and 147,412.42 is: 221,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,324.02 : 726,596.60 = 147,412.42 : x
  2. Step 2: Convert to fraction form
    484,324.02/726,596.60 = 147,412.42/x
  3. Step 3: Cross multiply
    484,324.02x = 726,596.60 × 147,412.42
  4. Step 4: Simplify right side
    484,324.02x = 107,109,360,616.22
  5. Step 5: Solve for x
    x = 107,109,360,616.22/484,324.02
  6. Step 6: Final answer
    x = 221,152.28

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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.