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Finding the Fourth Proportional to 337,200.30, 505,800.45 and 324,078.30

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Solution

The fourth proportional to 337,200.30, 505,800.45 and 324,078.30 is: 486,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,200.30 : 505,800.45 = 324,078.30 : x
  2. Step 2: Convert to fraction form
    337,200.30/505,800.45 = 324,078.30/x
  3. Step 3: Cross multiply
    337,200.30x = 505,800.45 × 324,078.30
  4. Step 4: Simplify right side
    337,200.30x = 163,918,949,975.24
  5. Step 5: Solve for x
    x = 163,918,949,975.24/337,200.30
  6. Step 6: Final answer
    x = 486,117.45

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Similar ratio
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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.