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Finding the Fourth Proportional to 523,067.20, 784,600.80 and 404,823.40

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Solution

The fourth proportional to 523,067.20, 784,600.80 and 404,823.40 is: 607,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,067.20 : 784,600.80 = 404,823.40 : x
  2. Step 2: Convert to fraction form
    523,067.20/784,600.80 = 404,823.40/x
  3. Step 3: Cross multiply
    523,067.20x = 784,600.80 × 404,823.40
  4. Step 4: Simplify right side
    523,067.20x = 317,624,763,498.72
  5. Step 5: Solve for x
    x = 317,624,763,498.72/523,067.20
  6. Step 6: Final answer
    x = 607,235.10

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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.