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Finding the Fourth Proportional to 473,679.59, 654,114.38 and 304,208.96

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Solution

The fourth proportional to 473,679.59, 654,114.38 and 304,208.96 is: 420,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,679.59 : 654,114.38 = 304,208.96 : x
  2. Step 2: Convert to fraction form
    473,679.59/654,114.38 = 304,208.96/x
  3. Step 3: Cross multiply
    473,679.59x = 654,114.38 × 304,208.96
  4. Step 4: Simplify right side
    473,679.59x = 198,987,450,469.23
  5. Step 5: Solve for x
    x = 198,987,450,469.23/473,679.59
  6. Step 6: Final answer
    x = 420,088.72

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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.