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Finding the Fourth Proportional to 226,421.60, 339,632.40 and 201,927.20

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Solution

The fourth proportional to 226,421.60, 339,632.40 and 201,927.20 is: 302,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,421.60 : 339,632.40 = 201,927.20 : x
  2. Step 2: Convert to fraction form
    226,421.60/339,632.40 = 201,927.20/x
  3. Step 3: Cross multiply
    226,421.60x = 339,632.40 × 201,927.20
  4. Step 4: Simplify right side
    226,421.60x = 68,581,019,561.28
  5. Step 5: Solve for x
    x = 68,581,019,561.28/226,421.60
  6. Step 6: Final answer
    x = 302,890.80

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1.5x scale

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.