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Finding the Fourth Proportional to 554,354.24, 765,008.91 and 299,705.36

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Solution

The fourth proportional to 554,354.24, 765,008.91 and 299,705.36 is: 413,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,354.24 : 765,008.91 = 299,705.36 : x
  2. Step 2: Convert to fraction form
    554,354.24/765,008.91 = 299,705.36/x
  3. Step 3: Cross multiply
    554,354.24x = 765,008.91 × 299,705.36
  4. Step 4: Simplify right side
    554,354.24x = 229,277,270,774.76
  5. Step 5: Solve for x
    x = 229,277,270,774.76/554,354.24
  6. Step 6: Final answer
    x = 413,593.43

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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.