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Finding the Fourth Proportional to 228,834.40, 343,251.60 and 144,853.60

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Solution

The fourth proportional to 228,834.40, 343,251.60 and 144,853.60 is: 217,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,834.40 : 343,251.60 = 144,853.60 : x
  2. Step 2: Convert to fraction form
    228,834.40/343,251.60 = 144,853.60/x
  3. Step 3: Cross multiply
    228,834.40x = 343,251.60 × 144,853.60
  4. Step 4: Simplify right side
    228,834.40x = 49,721,229,965.76
  5. Step 5: Solve for x
    x = 49,721,229,965.76/228,834.40
  6. Step 6: Final answer
    x = 217,280.40

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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.