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Finding the Fourth Proportional to 227,631.40, 341,447.10 and 147,797.80

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Solution

The fourth proportional to 227,631.40, 341,447.10 and 147,797.80 is: 221,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,631.40 : 341,447.10 = 147,797.80 : x
  2. Step 2: Convert to fraction form
    227,631.40/341,447.10 = 147,797.80/x
  3. Step 3: Cross multiply
    227,631.40x = 341,447.10 × 147,797.80
  4. Step 4: Simplify right side
    227,631.40x = 50,465,130,196.38
  5. Step 5: Solve for x
    x = 50,465,130,196.38/227,631.40
  6. Step 6: Final answer
    x = 221,696.70

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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.