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Finding the Fourth Proportional to 484,537.41, 726,889.14 and 164,655.45

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Solution

The fourth proportional to 484,537.41, 726,889.14 and 164,655.45 is: 247,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,537.41 : 726,889.14 = 164,655.45 : x
  2. Step 2: Convert to fraction form
    484,537.41/726,889.14 = 164,655.45/x
  3. Step 3: Cross multiply
    484,537.41x = 726,889.14 × 164,655.45
  4. Step 4: Simplify right side
    484,537.41x = 119,686,258,446.81
  5. Step 5: Solve for x
    x = 119,686,258,446.81/484,537.41
  6. Step 6: Final answer
    x = 247,011.39

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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.