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Finding the Fourth Proportional to 568,263.52, 784,180.74 and 313,611.40

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Solution

The fourth proportional to 568,263.52, 784,180.74 and 313,611.40 is: 432,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,263.52 : 784,180.74 = 313,611.40 : x
  2. Step 2: Convert to fraction form
    568,263.52/784,180.74 = 313,611.40/x
  3. Step 3: Cross multiply
    568,263.52x = 784,180.74 × 313,611.40
  4. Step 4: Simplify right side
    568,263.52x = 245,928,019,724.44
  5. Step 5: Solve for x
    x = 245,928,019,724.44/568,263.52
  6. Step 6: Final answer
    x = 432,771.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.