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Finding the Fourth Proportional to 227,585.40, 341,378.10 and 147,751.80

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Solution

The fourth proportional to 227,585.40, 341,378.10 and 147,751.80 is: 221,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,585.40 : 341,378.10 = 147,751.80 : x
  2. Step 2: Convert to fraction form
    227,585.40/341,378.10 = 147,751.80/x
  3. Step 3: Cross multiply
    227,585.40x = 341,378.10 × 147,751.80
  4. Step 4: Simplify right side
    227,585.40x = 50,439,228,755.58
  5. Step 5: Solve for x
    x = 50,439,228,755.58/227,585.40
  6. Step 6: Final answer
    x = 221,627.70

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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.