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Finding the Fourth Proportional to 554,496.63, 765,207.17 and 299,849.64

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Solution

The fourth proportional to 554,496.63, 765,207.17 and 299,849.64 is: 413,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,496.63 : 765,207.17 = 299,849.64 : x
  2. Step 2: Convert to fraction form
    554,496.63/765,207.17 = 299,849.64/x
  3. Step 3: Cross multiply
    554,496.63x = 765,207.17 × 299,849.64
  4. Step 4: Simplify right side
    554,496.63x = 229,447,094,449.92
  5. Step 5: Solve for x
    x = 229,447,094,449.92/554,496.63
  6. Step 6: Final answer
    x = 413,793.49

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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.