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Finding the Fourth Proportional to 554,381.33, 765,047.34 and 299,732.52

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Solution

The fourth proportional to 554,381.33, 765,047.34 and 299,732.52 is: 413,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,381.33 : 765,047.34 = 299,732.52 : x
  2. Step 2: Convert to fraction form
    554,381.33/765,047.34 = 299,732.52/x
  3. Step 3: Cross multiply
    554,381.33x = 765,047.34 × 299,732.52
  4. Step 4: Simplify right side
    554,381.33x = 229,309,567,137.50
  5. Step 5: Solve for x
    x = 229,309,567,137.50/554,381.33
  6. Step 6: Final answer
    x = 413,631.48

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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.