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Finding the Fourth Proportional to 334,432.40, 501,435.09 and 220,448.52

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Solution

The fourth proportional to 334,432.40, 501,435.09 and 220,448.52 is: 330,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,432.40 : 501,435.09 = 220,448.52 : x
  2. Step 2: Convert to fraction form
    334,432.40/501,435.09 = 220,448.52/x
  3. Step 3: Cross multiply
    334,432.40x = 501,435.09 × 220,448.52
  4. Step 4: Simplify right side
    334,432.40x = 110,540,623,466.57
  5. Step 5: Solve for x
    x = 110,540,623,466.57/334,432.40
  6. Step 6: Final answer
    x = 330,532.05

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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.