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Finding the Fourth Proportional to 592,183.52, 817,219.70 and 320,256.70

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Solution

The fourth proportional to 592,183.52, 817,219.70 and 320,256.70 is: 441,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,183.52 : 817,219.70 = 320,256.70 : x
  2. Step 2: Convert to fraction form
    592,183.52/817,219.70 = 320,256.70/x
  3. Step 3: Cross multiply
    592,183.52x = 817,219.70 × 320,256.70
  4. Step 4: Simplify right side
    592,183.52x = 261,720,084,296.99
  5. Step 5: Solve for x
    x = 261,720,084,296.99/592,183.52
  6. Step 6: Final answer
    x = 441,957.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.