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Finding the Fourth Proportional to 203,433.70, 304,858.95 and 149,706.40

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Solution

The fourth proportional to 203,433.70, 304,858.95 and 149,706.40 is: 224,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,433.70 : 304,858.95 = 149,706.40 : x
  2. Step 2: Convert to fraction form
    203,433.70/304,858.95 = 149,706.40/x
  3. Step 3: Cross multiply
    203,433.70x = 304,858.95 × 149,706.40
  4. Step 4: Simplify right side
    203,433.70x = 45,639,335,912.28
  5. Step 5: Solve for x
    x = 45,639,335,912.28/203,433.70
  6. Step 6: Final answer
    x = 224,345.01

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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.