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Finding the Fourth Proportional to 531,363.61, 796,899.48 and 317,963.44

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Solution

The fourth proportional to 531,363.61, 796,899.48 and 317,963.44 is: 476,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,363.61 : 796,899.48 = 317,963.44 : x
  2. Step 2: Convert to fraction form
    531,363.61/796,899.48 = 317,963.44/x
  3. Step 3: Cross multiply
    531,363.61x = 796,899.48 × 317,963.44
  4. Step 4: Simplify right side
    531,363.61x = 253,384,899,995.01
  5. Step 5: Solve for x
    x = 253,384,899,995.01/531,363.61
  6. Step 6: Final answer
    x = 476,857.83

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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.