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Finding the Fourth Proportional to 621,898.38, 932,448.51 and 297,552.78

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Solution

The fourth proportional to 621,898.38, 932,448.51 and 297,552.78 is: 446,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,898.38 : 932,448.51 = 297,552.78 : x
  2. Step 2: Convert to fraction form
    621,898.38/932,448.51 = 297,552.78/x
  3. Step 3: Cross multiply
    621,898.38x = 932,448.51 × 297,552.78
  4. Step 4: Simplify right side
    621,898.38x = 277,452,646,357.36
  5. Step 5: Solve for x
    x = 277,452,646,357.36/621,898.38
  6. Step 6: Final answer
    x = 446,138.24

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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.