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Finding the Fourth Proportional to 554,616.42, 765,370.08 and 299,967

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Solution

The fourth proportional to 554,616.42, 765,370.08 and 299,967 is: 413,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,616.42 : 765,370.08 = 299,967 : x
  2. Step 2: Convert to fraction form
    554,616.42/765,370.08 = 299,967/x
  3. Step 3: Cross multiply
    554,616.42x = 765,370.08 × 299,967
  4. Step 4: Simplify right side
    554,616.42x = 229,585,766,787.36
  5. Step 5: Solve for x
    x = 229,585,766,787.36/554,616.42
  6. Step 6: Final answer
    x = 413,954.15

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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.