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Finding the Fourth Proportional to 589,058.55, 812,644.11 and 371,134.94

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Solution

The fourth proportional to 589,058.55, 812,644.11 and 371,134.94 is: 512,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,058.55 : 812,644.11 = 371,134.94 : x
  2. Step 2: Convert to fraction form
    589,058.55/812,644.11 = 371,134.94/x
  3. Step 3: Cross multiply
    589,058.55x = 812,644.11 × 371,134.94
  4. Step 4: Simplify right side
    589,058.55x = 301,600,618,942.98
  5. Step 5: Solve for x
    x = 301,600,618,942.98/589,058.55
  6. Step 6: Final answer
    x = 512,004.48

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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.