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Finding the Fourth Proportional to 607,856.43, 838,858.64 and 335,941.95

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Solution

The fourth proportional to 607,856.43, 838,858.64 and 335,941.95 is: 463,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,856.43 : 838,858.64 = 335,941.95 : x
  2. Step 2: Convert to fraction form
    607,856.43/838,858.64 = 335,941.95/x
  3. Step 3: Cross multiply
    607,856.43x = 838,858.64 × 335,941.95
  4. Step 4: Simplify right side
    607,856.43x = 281,807,805,616.24
  5. Step 5: Solve for x
    x = 281,807,805,616.24/607,856.43
  6. Step 6: Final answer
    x = 463,609.15

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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.