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Finding the Fourth Proportional to 484,558.89, 726,947.70 and 160,346.15

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Solution

The fourth proportional to 484,558.89, 726,947.70 and 160,346.15 is: 240,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,558.89 : 726,947.70 = 160,346.15 : x
  2. Step 2: Convert to fraction form
    484,558.89/726,947.70 = 160,346.15/x
  3. Step 3: Cross multiply
    484,558.89x = 726,947.70 × 160,346.15
  4. Step 4: Simplify right side
    484,558.89x = 116,563,266,964.16
  5. Step 5: Solve for x
    x = 116,563,266,964.16/484,558.89
  6. Step 6: Final answer
    x = 240,555.42

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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.