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Finding the Fourth Proportional to 394,572.30, 591,858.45 and 268,601.10

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Solution

The fourth proportional to 394,572.30, 591,858.45 and 268,601.10 is: 402,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,572.30 : 591,858.45 = 268,601.10 : x
  2. Step 2: Convert to fraction form
    394,572.30/591,858.45 = 268,601.10/x
  3. Step 3: Cross multiply
    394,572.30x = 591,858.45 × 268,601.10
  4. Step 4: Simplify right side
    394,572.30x = 158,973,830,714.30
  5. Step 5: Solve for x
    x = 158,973,830,714.30/394,572.30
  6. Step 6: Final answer
    x = 402,901.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.