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Finding the Fourth Proportional to 226,192.80, 338,900.40 and 147,266.40

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Solution

The fourth proportional to 226,192.80, 338,900.40 and 147,266.40 is: 220,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,192.80 : 338,900.40 = 147,266.40 : x
  2. Step 2: Convert to fraction form
    226,192.80/338,900.40 = 147,266.40/x
  3. Step 3: Cross multiply
    226,192.80x = 338,900.40 × 147,266.40
  4. Step 4: Simplify right side
    226,192.80x = 49,908,641,866.56
  5. Step 5: Solve for x
    x = 49,908,641,866.56/226,192.80
  6. Step 6: Final answer
    x = 220,646.47

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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.