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Finding the Fourth Proportional to 350,416.02, 523,704.18 and 255,845.59

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Solution

The fourth proportional to 350,416.02, 523,704.18 and 255,845.59 is: 382,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,416.02 : 523,704.18 = 255,845.59 : x
  2. Step 2: Convert to fraction form
    350,416.02/523,704.18 = 255,845.59/x
  3. Step 3: Cross multiply
    350,416.02x = 523,704.18 × 255,845.59
  4. Step 4: Simplify right side
    350,416.02x = 133,987,404,567.73
  5. Step 5: Solve for x
    x = 133,987,404,567.73/350,416.02
  6. Step 6: Final answer
    x = 382,366.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.