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Finding the Fourth Proportional to 436,494.72, 602,021.37 and 283,582.11

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Solution

The fourth proportional to 436,494.72, 602,021.37 and 283,582.11 is: 391,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,494.72 : 602,021.37 = 283,582.11 : x
  2. Step 2: Convert to fraction form
    436,494.72/602,021.37 = 283,582.11/x
  3. Step 3: Cross multiply
    436,494.72x = 602,021.37 × 283,582.11
  4. Step 4: Simplify right side
    436,494.72x = 170,722,490,369.69
  5. Step 5: Solve for x
    x = 170,722,490,369.69/436,494.72
  6. Step 6: Final answer
    x = 391,121.55

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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.