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Finding the Fourth Proportional to 365,172.80, 503,957.66 and 220,024.18

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Solution

The fourth proportional to 365,172.80, 503,957.66 and 220,024.18 is: 303,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,172.80 : 503,957.66 = 220,024.18 : x
  2. Step 2: Convert to fraction form
    365,172.80/503,957.66 = 220,024.18/x
  3. Step 3: Cross multiply
    365,172.80x = 503,957.66 × 220,024.18
  4. Step 4: Simplify right side
    365,172.80x = 110,882,868,536.20
  5. Step 5: Solve for x
    x = 110,882,868,536.20/365,172.80
  6. Step 6: Final answer
    x = 303,644.93

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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.