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Finding the Fourth Proportional to 484,359.96, 726,567.24 and 147,411.60

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Solution

The fourth proportional to 484,359.96, 726,567.24 and 147,411.60 is: 221,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,359.96 : 726,567.24 = 147,411.60 : x
  2. Step 2: Convert to fraction form
    484,359.96/726,567.24 = 147,411.60/x
  3. Step 3: Cross multiply
    484,359.96x = 726,567.24 × 147,411.60
  4. Step 4: Simplify right side
    484,359.96x = 107,104,439,355.98
  5. Step 5: Solve for x
    x = 107,104,439,355.98/484,359.96
  6. Step 6: Final answer
    x = 221,125.71

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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.