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Finding the Fourth Proportional to 395,590.41, 545,916.17 and 214,301.88

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Solution

The fourth proportional to 395,590.41, 545,916.17 and 214,301.88 is: 295,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,590.41 : 545,916.17 = 214,301.88 : x
  2. Step 2: Convert to fraction form
    395,590.41/545,916.17 = 214,301.88/x
  3. Step 3: Cross multiply
    395,590.41x = 545,916.17 × 214,301.88
  4. Step 4: Simplify right side
    395,590.41x = 116,990,862,089.15
  5. Step 5: Solve for x
    x = 116,990,862,089.15/395,590.41
  6. Step 6: Final answer
    x = 295,737.36

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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.