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Finding the Fourth Proportional to 629,469.40, 944,597.76 and 255,492.40

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Solution

The fourth proportional to 629,469.40, 944,597.76 and 255,492.40 is: 383,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,469.40 : 944,597.76 = 255,492.40 : x
  2. Step 2: Convert to fraction form
    629,469.40/944,597.76 = 255,492.40/x
  3. Step 3: Cross multiply
    629,469.40x = 944,597.76 × 255,492.40
  4. Step 4: Simplify right side
    629,469.40x = 241,337,548,737.02
  5. Step 5: Solve for x
    x = 241,337,548,737.02/629,469.40
  6. Step 6: Final answer
    x = 383,398.38

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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.