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Finding the Fourth Proportional to 484,568.22, 726,889.23 and 147,637.64

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Solution

The fourth proportional to 484,568.22, 726,889.23 and 147,637.64 is: 221,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,568.22 : 726,889.23 = 147,637.64 : x
  2. Step 2: Convert to fraction form
    484,568.22/726,889.23 = 147,637.64/x
  3. Step 3: Cross multiply
    484,568.22x = 726,889.23 × 147,637.64
  4. Step 4: Simplify right side
    484,568.22x = 107,316,210,458.62
  5. Step 5: Solve for x
    x = 107,316,210,458.62/484,568.22
  6. Step 6: Final answer
    x = 221,467.70

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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.