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Finding the Fourth Proportional to 601,615.20, 901,985.40 and 246,446.40

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Solution

The fourth proportional to 601,615.20, 901,985.40 and 246,446.40 is: 369,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,615.20 : 901,985.40 = 246,446.40 : x
  2. Step 2: Convert to fraction form
    601,615.20/901,985.40 = 246,446.40/x
  3. Step 3: Cross multiply
    601,615.20x = 901,985.40 × 246,446.40
  4. Step 4: Simplify right side
    601,615.20x = 222,291,054,682.56
  5. Step 5: Solve for x
    x = 222,291,054,682.56/601,615.20
  6. Step 6: Final answer
    x = 369,490.42

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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.