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Finding the Fourth Proportional to 701,901.42, 968,743.06 and 396,064.52

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Solution

The fourth proportional to 701,901.42, 968,743.06 and 396,064.52 is: 546,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,901.42 : 968,743.06 = 396,064.52 : x
  2. Step 2: Convert to fraction form
    701,901.42/968,743.06 = 396,064.52/x
  3. Step 3: Cross multiply
    701,901.42x = 968,743.06 × 396,064.52
  4. Step 4: Simplify right side
    701,901.42x = 383,684,755,062.23
  5. Step 5: Solve for x
    x = 383,684,755,062.23/701,901.42
  6. Step 6: Final answer
    x = 546,636.24

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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.