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Finding the Fourth Proportional to 484,336.64, 726,532.29 and 147,388.28

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Solution

The fourth proportional to 484,336.64, 726,532.29 and 147,388.28 is: 221,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,336.64 : 726,532.29 = 147,388.28 : x
  2. Step 2: Convert to fraction form
    484,336.64/726,532.29 = 147,388.28/x
  3. Step 3: Cross multiply
    484,336.64x = 726,532.29 × 147,388.28
  4. Step 4: Simplify right side
    484,336.64x = 107,082,344,587.56
  5. Step 5: Solve for x
    x = 107,082,344,587.56/484,336.64
  6. Step 6: Final answer
    x = 221,090.74

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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.