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Finding the Fourth Proportional to 607,100.91, 838,082.75 and 352,403.07

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Solution

The fourth proportional to 607,100.91, 838,082.75 and 352,403.07 is: 486,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,100.91 : 838,082.75 = 352,403.07 : x
  2. Step 2: Convert to fraction form
    607,100.91/838,082.75 = 352,403.07/x
  3. Step 3: Cross multiply
    607,100.91x = 838,082.75 × 352,403.07
  4. Step 4: Simplify right side
    607,100.91x = 295,342,932,252.03
  5. Step 5: Solve for x
    x = 295,342,932,252.03/607,100.91
  6. Step 6: Final answer
    x = 486,480.79

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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.