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Finding the Fourth Proportional to 334,273.64, 501,422.46 and 109,639.40

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Solution

The fourth proportional to 334,273.64, 501,422.46 and 109,639.40 is: 164,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,273.64 : 501,422.46 = 109,639.40 : x
  2. Step 2: Convert to fraction form
    334,273.64/501,422.46 = 109,639.40/x
  3. Step 3: Cross multiply
    334,273.64x = 501,422.46 × 109,639.40
  4. Step 4: Simplify right side
    334,273.64x = 54,975,657,660.92
  5. Step 5: Solve for x
    x = 54,975,657,660.92/334,273.64
  6. Step 6: Final answer
    x = 164,463.04

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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.