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Finding the Fourth Proportional to 554,477.33, 765,179.53 and 299,828.52

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Solution

The fourth proportional to 554,477.33, 765,179.53 and 299,828.52 is: 413,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,477.33 : 765,179.53 = 299,828.52 : x
  2. Step 2: Convert to fraction form
    554,477.33/765,179.53 = 299,828.52/x
  3. Step 3: Cross multiply
    554,477.33x = 765,179.53 × 299,828.52
  4. Step 4: Simplify right side
    554,477.33x = 229,422,645,264.62
  5. Step 5: Solve for x
    x = 229,422,645,264.62/554,477.33
  6. Step 6: Final answer
    x = 413,763.79

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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.