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Finding the Fourth Proportional to 508,263.24, 701,412.62 and 278,832.24

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Solution

The fourth proportional to 508,263.24, 701,412.62 and 278,832.24 is: 384,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,263.24 : 701,412.62 = 278,832.24 : x
  2. Step 2: Convert to fraction form
    508,263.24/701,412.62 = 278,832.24/x
  3. Step 3: Cross multiply
    508,263.24x = 701,412.62 × 278,832.24
  4. Step 4: Simplify right side
    508,263.24x = 195,576,451,998.87
  5. Step 5: Solve for x
    x = 195,576,451,998.87/508,263.24
  6. Step 6: Final answer
    x = 384,793.62

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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.