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Finding the Fourth Proportional to 334,361.70, 501,542.55 and 220,200.30

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Solution

The fourth proportional to 334,361.70, 501,542.55 and 220,200.30 is: 330,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,361.70 : 501,542.55 = 220,200.30 : x
  2. Step 2: Convert to fraction form
    334,361.70/501,542.55 = 220,200.30/x
  3. Step 3: Cross multiply
    334,361.70x = 501,542.55 × 220,200.30
  4. Step 4: Simplify right side
    334,361.70x = 110,439,819,972.77
  5. Step 5: Solve for x
    x = 110,439,819,972.77/334,361.70
  6. Step 6: Final answer
    x = 330,300.45

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1.5x scale

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.