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Finding the Fourth Proportional to 290,236.46, 435,479.45 and 150,093.50

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Solution

The fourth proportional to 290,236.46, 435,479.45 and 150,093.50 is: 225,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,236.46 : 435,479.45 = 150,093.50 : x
  2. Step 2: Convert to fraction form
    290,236.46/435,479.45 = 150,093.50/x
  3. Step 3: Cross multiply
    290,236.46x = 435,479.45 × 150,093.50
  4. Step 4: Simplify right side
    290,236.46x = 65,362,631,900.71
  5. Step 5: Solve for x
    x = 65,362,631,900.71/290,236.46
  6. Step 6: Final answer
    x = 225,204.76

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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.