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Finding the Fourth Proportional to 607,745.52, 838,685.61 and 335,832.21

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Solution

The fourth proportional to 607,745.52, 838,685.61 and 335,832.21 is: 463,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,745.52 : 838,685.61 = 335,832.21 : x
  2. Step 2: Convert to fraction form
    607,745.52/838,685.61 = 335,832.21/x
  3. Step 3: Cross multiply
    607,745.52x = 838,685.61 × 335,832.21
  4. Step 4: Simplify right side
    607,745.52x = 281,657,641,901.50
  5. Step 5: Solve for x
    x = 281,657,641,901.50/607,745.52
  6. Step 6: Final answer
    x = 463,446.68

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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.