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Finding the Fourth Proportional to 360,835.60, 540,216.60 and 323,510.80

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Solution

The fourth proportional to 360,835.60, 540,216.60 and 323,510.80 is: 484,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,835.60 : 540,216.60 = 323,510.80 : x
  2. Step 2: Convert to fraction form
    360,835.60/540,216.60 = 323,510.80/x
  3. Step 3: Cross multiply
    360,835.60x = 540,216.60 × 323,510.80
  4. Step 4: Simplify right side
    360,835.60x = 174,765,904,439.28
  5. Step 5: Solve for x
    x = 174,765,904,439.28/360,835.60
  6. Step 6: Final answer
    x = 484,336.65

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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.