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Finding the Fourth Proportional to 500,236.99, 690,326.30 and 270,793.15

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Solution

The fourth proportional to 500,236.99, 690,326.30 and 270,793.15 is: 373,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,236.99 : 690,326.30 = 270,793.15 : x
  2. Step 2: Convert to fraction form
    500,236.99/690,326.30 = 270,793.15/x
  3. Step 3: Cross multiply
    500,236.99x = 690,326.30 × 270,793.15
  4. Step 4: Simplify right side
    500,236.99x = 186,935,632,256.01
  5. Step 5: Solve for x
    x = 186,935,632,256.01/500,236.99
  6. Step 6: Final answer
    x = 373,694.14

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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.