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Finding the Fourth Proportional to 472,883.22, 707,660.55 and 295,473.78

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Solution

The fourth proportional to 472,883.22, 707,660.55 and 295,473.78 is: 442,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,883.22 : 707,660.55 = 295,473.78 : x
  2. Step 2: Convert to fraction form
    472,883.22/707,660.55 = 295,473.78/x
  3. Step 3: Cross multiply
    472,883.22x = 707,660.55 × 295,473.78
  4. Step 4: Simplify right side
    472,883.22x = 209,095,137,665.38
  5. Step 5: Solve for x
    x = 209,095,137,665.38/472,883.22
  6. Step 6: Final answer
    x = 442,170.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.