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Finding the Fourth Proportional to 331,277.20, 496,915.80 and 295,334.80

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Solution

The fourth proportional to 331,277.20, 496,915.80 and 295,334.80 is: 443,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,277.20 : 496,915.80 = 295,334.80 : x
  2. Step 2: Convert to fraction form
    331,277.20/496,915.80 = 295,334.80/x
  3. Step 3: Cross multiply
    331,277.20x = 496,915.80 × 295,334.80
  4. Step 4: Simplify right side
    331,277.20x = 146,756,528,409.84
  5. Step 5: Solve for x
    x = 146,756,528,409.84/331,277.20
  6. Step 6: Final answer
    x = 443,002.20

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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.