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Finding the Fourth Proportional to 554,571.18, 765,308.52 and 299,922.42

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Solution

The fourth proportional to 554,571.18, 765,308.52 and 299,922.42 is: 413,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,571.18 : 765,308.52 = 299,922.42 : x
  2. Step 2: Convert to fraction form
    554,571.18/765,308.52 = 299,922.42/x
  3. Step 3: Cross multiply
    554,571.18x = 765,308.52 × 299,922.42
  4. Step 4: Simplify right side
    554,571.18x = 229,533,183,365.02
  5. Step 5: Solve for x
    x = 229,533,183,365.02/554,571.18
  6. Step 6: Final answer
    x = 413,893.10

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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.