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Finding the Fourth Proportional to 472,678.61, 652,615.89 and 363,589.22

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Solution

The fourth proportional to 472,678.61, 652,615.89 and 363,589.22 is: 501,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,678.61 : 652,615.89 = 363,589.22 : x
  2. Step 2: Convert to fraction form
    472,678.61/652,615.89 = 363,589.22/x
  3. Step 3: Cross multiply
    472,678.61x = 652,615.89 × 363,589.22
  4. Step 4: Simplify right side
    472,678.61x = 237,284,102,672.79
  5. Step 5: Solve for x
    x = 237,284,102,672.79/472,678.61
  6. Step 6: Final answer
    x = 501,998.82

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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.