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Finding the Fourth Proportional to 607,310.35, 838,079.53 and 335,389.75

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Solution

The fourth proportional to 607,310.35, 838,079.53 and 335,389.75 is: 462,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,310.35 : 838,079.53 = 335,389.75 : x
  2. Step 2: Convert to fraction form
    607,310.35/838,079.53 = 335,389.75/x
  3. Step 3: Cross multiply
    607,310.35x = 838,079.53 × 335,389.75
  4. Step 4: Simplify right side
    607,310.35x = 281,083,284,046.82
  5. Step 5: Solve for x
    x = 281,083,284,046.82/607,310.35
  6. Step 6: Final answer
    x = 462,833.02

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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.