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Finding the Fourth Proportional to 508,191.66, 701,299.62 and 278,744.19

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Solution

The fourth proportional to 508,191.66, 701,299.62 and 278,744.19 is: 384,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,191.66 : 701,299.62 = 278,744.19 : x
  2. Step 2: Convert to fraction form
    508,191.66/701,299.62 = 278,744.19/x
  3. Step 3: Cross multiply
    508,191.66x = 701,299.62 × 278,744.19
  4. Step 4: Simplify right side
    508,191.66x = 195,483,194,524.21
  5. Step 5: Solve for x
    x = 195,483,194,524.21/508,191.66
  6. Step 6: Final answer
    x = 384,664.31

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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.