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Finding the Fourth Proportional to 531,470.57, 796,784.85 and 265,093.97

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Solution

The fourth proportional to 531,470.57, 796,784.85 and 265,093.97 is: 397,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,470.57 : 796,784.85 = 265,093.97 : x
  2. Step 2: Convert to fraction form
    531,470.57/796,784.85 = 265,093.97/x
  3. Step 3: Cross multiply
    531,470.57x = 796,784.85 × 265,093.97
  4. Step 4: Simplify right side
    531,470.57x = 211,222,855,138.43
  5. Step 5: Solve for x
    x = 211,222,855,138.43/531,470.57
  6. Step 6: Final answer
    x = 397,430.96

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Double scale
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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.