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Finding the Fourth Proportional to 607,100.41, 838,082.05 and 352,402.57

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Solution

The fourth proportional to 607,100.41, 838,082.05 and 352,402.57 is: 486,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,100.41 : 838,082.05 = 352,402.57 : x
  2. Step 2: Convert to fraction form
    607,100.41/838,082.05 = 352,402.57/x
  3. Step 3: Cross multiply
    607,100.41x = 838,082.05 × 352,402.57
  4. Step 4: Simplify right side
    607,100.41x = 295,342,270,439.73
  5. Step 5: Solve for x
    x = 295,342,270,439.73/607,100.41
  6. Step 6: Final answer
    x = 486,480.10

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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.