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Finding the Fourth Proportional to 369,601.20, 554,470.20 and 116,945.30

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Solution

The fourth proportional to 369,601.20, 554,470.20 and 116,945.30 is: 175,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,601.20 : 554,470.20 = 116,945.30 : x
  2. Step 2: Convert to fraction form
    369,601.20/554,470.20 = 116,945.30/x
  3. Step 3: Cross multiply
    369,601.20x = 554,470.20 × 116,945.30
  4. Step 4: Simplify right side
    369,601.20x = 64,842,683,880.06
  5. Step 5: Solve for x
    x = 64,842,683,880.06/369,601.20
  6. Step 6: Final answer
    x = 175,439.59

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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.