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Finding the Fourth Proportional to 268,871.70, 403,362.90 and 224,806.35

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Solution

The fourth proportional to 268,871.70, 403,362.90 and 224,806.35 is: 337,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,871.70 : 403,362.90 = 224,806.35 : x
  2. Step 2: Convert to fraction form
    268,871.70/403,362.90 = 224,806.35/x
  3. Step 3: Cross multiply
    268,871.70x = 403,362.90 × 224,806.35
  4. Step 4: Simplify right side
    268,871.70x = 90,678,541,274.42
  5. Step 5: Solve for x
    x = 90,678,541,274.42/268,871.70
  6. Step 6: Final answer
    x = 337,255.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.