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Finding the Fourth Proportional to 607,679.57, 838,646.88 and 335,771.27

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Solution

The fourth proportional to 607,679.57, 838,646.88 and 335,771.27 is: 463,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,679.57 : 838,646.88 = 335,771.27 : x
  2. Step 2: Convert to fraction form
    607,679.57/838,646.88 = 335,771.27/x
  3. Step 3: Cross multiply
    607,679.57x = 838,646.88 × 335,771.27
  4. Step 4: Simplify right side
    607,679.57x = 281,593,527,979.14
  5. Step 5: Solve for x
    x = 281,593,527,979.14/607,679.57
  6. Step 6: Final answer
    x = 463,391.47

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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.