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Finding the Fourth Proportional to 607,856.68, 838,858.98 and 335,942.20

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Solution

The fourth proportional to 607,856.68, 838,858.98 and 335,942.20 is: 463,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,856.68 : 838,858.98 = 335,942.20 : x
  2. Step 2: Convert to fraction form
    607,856.68/838,858.98 = 335,942.20/x
  3. Step 3: Cross multiply
    607,856.68x = 838,858.98 × 335,942.20
  4. Step 4: Simplify right side
    607,856.68x = 281,808,131,230.96
  5. Step 5: Solve for x
    x = 281,808,131,230.96/607,856.68
  6. Step 6: Final answer
    x = 463,609.50

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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.