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Finding the Fourth Proportional to 416,237.50, 624,454.67 and 135,754.75

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Solution

The fourth proportional to 416,237.50, 624,454.67 and 135,754.75 is: 203,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,237.50 : 624,454.67 = 135,754.75 : x
  2. Step 2: Convert to fraction form
    416,237.50/624,454.67 = 135,754.75/x
  3. Step 3: Cross multiply
    416,237.50x = 624,454.67 × 135,754.75
  4. Step 4: Simplify right side
    416,237.50x = 84,772,687,612.18
  5. Step 5: Solve for x
    x = 84,772,687,612.18/416,237.50
  6. Step 6: Final answer
    x = 203,664.22

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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.