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Finding the Fourth Proportional to 228,932.40, 343,398.60 and 154,282.80

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Solution

The fourth proportional to 228,932.40, 343,398.60 and 154,282.80 is: 231,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,932.40 : 343,398.60 = 154,282.80 : x
  2. Step 2: Convert to fraction form
    228,932.40/343,398.60 = 154,282.80/x
  3. Step 3: Cross multiply
    228,932.40x = 343,398.60 × 154,282.80
  4. Step 4: Simplify right side
    228,932.40x = 52,980,497,524.08
  5. Step 5: Solve for x
    x = 52,980,497,524.08/228,932.40
  6. Step 6: Final answer
    x = 231,424.20

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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.