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Finding the Fourth Proportional to 554,450.67, 765,141.39 and 299,801.25

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Solution

The fourth proportional to 554,450.67, 765,141.39 and 299,801.25 is: 413,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,450.67 : 765,141.39 = 299,801.25 : x
  2. Step 2: Convert to fraction form
    554,450.67/765,141.39 = 299,801.25/x
  3. Step 3: Cross multiply
    554,450.67x = 765,141.39 × 299,801.25
  4. Step 4: Simplify right side
    554,450.67x = 229,390,345,148.74
  5. Step 5: Solve for x
    x = 229,390,345,148.74/554,450.67
  6. Step 6: Final answer
    x = 413,725.44

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.