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Finding the Fourth Proportional to 428,252.34, 590,972.52 and 246,971.88

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Solution

The fourth proportional to 428,252.34, 590,972.52 and 246,971.88 is: 340,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,252.34 : 590,972.52 = 246,971.88 : x
  2. Step 2: Convert to fraction form
    428,252.34/590,972.52 = 246,971.88/x
  3. Step 3: Cross multiply
    428,252.34x = 590,972.52 × 246,971.88
  4. Step 4: Simplify right side
    428,252.34x = 145,953,594,292.74
  5. Step 5: Solve for x
    x = 145,953,594,292.74/428,252.34
  6. Step 6: Final answer
    x = 340,812.13

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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.