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Finding the Fourth Proportional to 226,039.40, 339,447.90 and 147,501.80

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Solution

The fourth proportional to 226,039.40, 339,447.90 and 147,501.80 is: 221,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,039.40 : 339,447.90 = 147,501.80 : x
  2. Step 2: Convert to fraction form
    226,039.40/339,447.90 = 147,501.80/x
  3. Step 3: Cross multiply
    226,039.40x = 339,447.90 × 147,501.80
  4. Step 4: Simplify right side
    226,039.40x = 50,069,176,256.22
  5. Step 5: Solve for x
    x = 50,069,176,256.22/226,039.40
  6. Step 6: Final answer
    x = 221,506.41

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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.