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Finding the Fourth Proportional to 323,321.61, 484,608.21 and 152,651.55

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Solution

The fourth proportional to 323,321.61, 484,608.21 and 152,651.55 is: 228,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,321.61 : 484,608.21 = 152,651.55 : x
  2. Step 2: Convert to fraction form
    323,321.61/484,608.21 = 152,651.55/x
  3. Step 3: Cross multiply
    323,321.61x = 484,608.21 × 152,651.55
  4. Step 4: Simplify right side
    323,321.61x = 73,976,194,399.23
  5. Step 5: Solve for x
    x = 73,976,194,399.23/323,321.61
  6. Step 6: Final answer
    x = 228,800.65

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1.5x scale

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.