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Finding the Fourth Proportional to 250,423.70, 345,522.71 and 148,473.05

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Solution

The fourth proportional to 250,423.70, 345,522.71 and 148,473.05 is: 204,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,423.70 : 345,522.71 = 148,473.05 : x
  2. Step 2: Convert to fraction form
    250,423.70/345,522.71 = 148,473.05/x
  3. Step 3: Cross multiply
    250,423.70x = 345,522.71 × 148,473.05
  4. Step 4: Simplify right side
    250,423.70x = 51,300,809,241.53
  5. Step 5: Solve for x
    x = 51,300,809,241.53/250,423.70
  6. Step 6: Final answer
    x = 204,856.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.