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Finding the Fourth Proportional to 522,857.82, 784,285.77 and 365,393.82

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Solution

The fourth proportional to 522,857.82, 784,285.77 and 365,393.82 is: 548,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,857.82 : 784,285.77 = 365,393.82 : x
  2. Step 2: Convert to fraction form
    522,857.82/784,285.77 = 365,393.82/x
  3. Step 3: Cross multiply
    522,857.82x = 784,285.77 × 365,393.82
  4. Step 4: Simplify right side
    522,857.82x = 286,573,173,471.94
  5. Step 5: Solve for x
    x = 286,573,173,471.94/522,857.82
  6. Step 6: Final answer
    x = 548,090.06

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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.