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Finding the Fourth Proportional to 349,600.80, 523,947.60 and 162,213.60

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Solution

The fourth proportional to 349,600.80, 523,947.60 and 162,213.60 is: 243,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,600.80 : 523,947.60 = 162,213.60 : x
  2. Step 2: Convert to fraction form
    349,600.80/523,947.60 = 162,213.60/x
  3. Step 3: Cross multiply
    349,600.80x = 523,947.60 × 162,213.60
  4. Step 4: Simplify right side
    349,600.80x = 84,991,426,407.36
  5. Step 5: Solve for x
    x = 84,991,426,407.36/349,600.80
  6. Step 6: Final answer
    x = 243,109.93

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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.