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Finding the Fourth Proportional to 589,820.49, 813,695.63 and 374,845.41

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Solution

The fourth proportional to 589,820.49, 813,695.63 and 374,845.41 is: 517,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,820.49 : 813,695.63 = 374,845.41 : x
  2. Step 2: Convert to fraction form
    589,820.49/813,695.63 = 374,845.41/x
  3. Step 3: Cross multiply
    589,820.49x = 813,695.63 × 374,845.41
  4. Step 4: Simplify right side
    589,820.49x = 305,010,070,168.33
  5. Step 5: Solve for x
    x = 305,010,070,168.33/589,820.49
  6. Step 6: Final answer
    x = 517,123.56

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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.