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Finding the Fourth Proportional to 263,044.80, 395,344.80 and 228,830.40

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Solution

The fourth proportional to 263,044.80, 395,344.80 and 228,830.40 is: 343,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,044.80 : 395,344.80 = 228,830.40 : x
  2. Step 2: Convert to fraction form
    263,044.80/395,344.80 = 228,830.40/x
  3. Step 3: Cross multiply
    263,044.80x = 395,344.80 × 228,830.40
  4. Step 4: Simplify right side
    263,044.80x = 90,466,908,721.92
  5. Step 5: Solve for x
    x = 90,466,908,721.92/263,044.80
  6. Step 6: Final answer
    x = 343,922.06

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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.