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Finding the Fourth Proportional to 531,367.36, 796,905.14 and 317,967.39

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Solution

The fourth proportional to 531,367.36, 796,905.14 and 317,967.39 is: 476,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,367.36 : 796,905.14 = 317,967.39 : x
  2. Step 2: Convert to fraction form
    531,367.36/796,905.14 = 317,967.39/x
  3. Step 3: Cross multiply
    531,367.36x = 796,905.14 × 317,967.39
  4. Step 4: Simplify right side
    531,367.36x = 253,389,845,853.55
  5. Step 5: Solve for x
    x = 253,389,845,853.55/531,367.36
  6. Step 6: Final answer
    x = 476,863.78

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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.