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Finding the Fourth Proportional to 558,165.30, 770,259.33 and 303,514.26

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Solution

The fourth proportional to 558,165.30, 770,259.33 and 303,514.26 is: 418,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,165.30 : 770,259.33 = 303,514.26 : x
  2. Step 2: Convert to fraction form
    558,165.30/770,259.33 = 303,514.26/x
  3. Step 3: Cross multiply
    558,165.30x = 770,259.33 × 303,514.26
  4. Step 4: Simplify right side
    558,165.30x = 233,784,690,553.05
  5. Step 5: Solve for x
    x = 233,784,690,553.05/558,165.30
  6. Step 6: Final answer
    x = 418,844.90

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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.