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Finding the Fourth Proportional to 531,334.26, 796,855.64 and 317,934.29

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Solution

The fourth proportional to 531,334.26, 796,855.64 and 317,934.29 is: 476,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,334.26 : 796,855.64 = 317,934.29 : x
  2. Step 2: Convert to fraction form
    531,334.26/796,855.64 = 317,934.29/x
  3. Step 3: Cross multiply
    531,334.26x = 796,855.64 × 317,934.29
  4. Step 4: Simplify right side
    531,334.26x = 253,347,732,538.36
  5. Step 5: Solve for x
    x = 253,347,732,538.36/531,334.26
  6. Step 6: Final answer
    x = 476,814.22

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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.