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Finding the Fourth Proportional to 472,680.89, 652,540.43 and 365,009.21

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Solution

The fourth proportional to 472,680.89, 652,540.43 and 365,009.21 is: 503,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,680.89 : 652,540.43 = 365,009.21 : x
  2. Step 2: Convert to fraction form
    472,680.89/652,540.43 = 365,009.21/x
  3. Step 3: Cross multiply
    472,680.89x = 652,540.43 × 365,009.21
  4. Step 4: Simplify right side
    472,680.89x = 238,183,265,022.31
  5. Step 5: Solve for x
    x = 238,183,265,022.31/472,680.89
  6. Step 6: Final answer
    x = 503,898.66

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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.