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Finding the Fourth Proportional to 360,747.60, 497,786.68 and 199,580.28

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Solution

The fourth proportional to 360,747.60, 497,786.68 and 199,580.28 is: 275,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,747.60 : 497,786.68 = 199,580.28 : x
  2. Step 2: Convert to fraction form
    360,747.60/497,786.68 = 199,580.28/x
  3. Step 3: Cross multiply
    360,747.60x = 497,786.68 × 199,580.28
  4. Step 4: Simplify right side
    360,747.60x = 99,348,401,487.84
  5. Step 5: Solve for x
    x = 99,348,401,487.84/360,747.60
  6. Step 6: Final answer
    x = 275,395.88

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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.