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Finding the Fourth Proportional to 365,763.50, 504,760.89 and 220,568.57

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Solution

The fourth proportional to 365,763.50, 504,760.89 and 220,568.57 is: 304,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,763.50 : 504,760.89 = 220,568.57 : x
  2. Step 2: Convert to fraction form
    365,763.50/504,760.89 = 220,568.57/x
  3. Step 3: Cross multiply
    365,763.50x = 504,760.89 × 220,568.57
  4. Step 4: Simplify right side
    365,763.50x = 111,334,387,275.06
  5. Step 5: Solve for x
    x = 111,334,387,275.06/365,763.50
  6. Step 6: Final answer
    x = 304,389.00

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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.