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Finding the Fourth Proportional to 554,821.58, 765,650.58 and 300,167.30

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Solution

The fourth proportional to 554,821.58, 765,650.58 and 300,167.30 is: 414,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,821.58 : 765,650.58 = 300,167.30 : x
  2. Step 2: Convert to fraction form
    554,821.58/765,650.58 = 300,167.30/x
  3. Step 3: Cross multiply
    554,821.58x = 765,650.58 × 300,167.30
  4. Step 4: Simplify right side
    554,821.58x = 229,823,268,130.53
  5. Step 5: Solve for x
    x = 229,823,268,130.53/554,821.58
  6. Step 6: Final answer
    x = 414,229.14

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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.