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Finding the Fourth Proportional to 451,303.78, 676,955.67 and 229,843.30

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Solution

The fourth proportional to 451,303.78, 676,955.67 and 229,843.30 is: 344,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,303.78 : 676,955.67 = 229,843.30 : x
  2. Step 2: Convert to fraction form
    451,303.78/676,955.67 = 229,843.30/x
  3. Step 3: Cross multiply
    451,303.78x = 676,955.67 × 229,843.30
  4. Step 4: Simplify right side
    451,303.78x = 155,593,725,146.51
  5. Step 5: Solve for x
    x = 155,593,725,146.51/451,303.78
  6. Step 6: Final answer
    x = 344,764.95

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Similar ratio
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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.