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Finding the Fourth Proportional to 226,038.40, 339,446.40 and 147,500.80

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Solution

The fourth proportional to 226,038.40, 339,446.40 and 147,500.80 is: 221,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,038.40 : 339,446.40 = 147,500.80 : x
  2. Step 2: Convert to fraction form
    226,038.40/339,446.40 = 147,500.80/x
  3. Step 3: Cross multiply
    226,038.40x = 339,446.40 × 147,500.80
  4. Step 4: Simplify right side
    226,038.40x = 50,068,615,557.12
  5. Step 5: Solve for x
    x = 50,068,615,557.12/226,038.40
  6. Step 6: Final answer
    x = 221,504.91

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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.