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Finding the Fourth Proportional to 607,586.61, 838,470.92 and 335,648.55

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Solution

The fourth proportional to 607,586.61, 838,470.92 and 335,648.55 is: 463,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,586.61 : 838,470.92 = 335,648.55 : x
  2. Step 2: Convert to fraction form
    607,586.61/838,470.92 = 335,648.55/x
  3. Step 3: Cross multiply
    607,586.61x = 838,470.92 × 335,648.55
  4. Step 4: Simplify right side
    607,586.61x = 281,431,546,836.92
  5. Step 5: Solve for x
    x = 281,431,546,836.92/607,586.61
  6. Step 6: Final answer
    x = 463,195.77

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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.