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Finding the Fourth Proportional to 522,334.15, 783,647.03 and 256,103.35

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Solution

The fourth proportional to 522,334.15, 783,647.03 and 256,103.35 is: 384,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,334.15 : 783,647.03 = 256,103.35 : x
  2. Step 2: Convert to fraction form
    522,334.15/783,647.03 = 256,103.35/x
  3. Step 3: Cross multiply
    522,334.15x = 783,647.03 × 256,103.35
  4. Step 4: Simplify right side
    522,334.15x = 200,694,628,320.03
  5. Step 5: Solve for x
    x = 200,694,628,320.03/522,334.15
  6. Step 6: Final answer
    x = 384,226.51

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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.