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Finding the Fourth Proportional to 522,914.20, 784,444.20 and 223,392.40

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Solution

The fourth proportional to 522,914.20, 784,444.20 and 223,392.40 is: 335,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,914.20 : 784,444.20 = 223,392.40 : x
  2. Step 2: Convert to fraction form
    522,914.20/784,444.20 = 223,392.40/x
  3. Step 3: Cross multiply
    522,914.20x = 784,444.20 × 223,392.40
  4. Step 4: Simplify right side
    522,914.20x = 175,238,872,504.08
  5. Step 5: Solve for x
    x = 175,238,872,504.08/522,914.20
  6. Step 6: Final answer
    x = 335,119.74

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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.