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Finding the Fourth Proportional to 331,292.60, 496,938.90 and 225,004.40

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Solution

The fourth proportional to 331,292.60, 496,938.90 and 225,004.40 is: 337,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,292.60 : 496,938.90 = 225,004.40 : x
  2. Step 2: Convert to fraction form
    331,292.60/496,938.90 = 225,004.40/x
  3. Step 3: Cross multiply
    331,292.60x = 496,938.90 × 225,004.40
  4. Step 4: Simplify right side
    331,292.60x = 111,813,439,031.16
  5. Step 5: Solve for x
    x = 111,813,439,031.16/331,292.60
  6. Step 6: Final answer
    x = 337,506.60

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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.