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Finding the Fourth Proportional to 348,910.10, 522,069.15 and 255,598.10

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Solution

The fourth proportional to 348,910.10, 522,069.15 and 255,598.10 is: 382,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,910.10 : 522,069.15 = 255,598.10 : x
  2. Step 2: Convert to fraction form
    348,910.10/522,069.15 = 255,598.10/x
  3. Step 3: Cross multiply
    348,910.10x = 522,069.15 × 255,598.10
  4. Step 4: Simplify right side
    348,910.10x = 133,439,882,808.62
  5. Step 5: Solve for x
    x = 133,439,882,808.62/348,910.10
  6. Step 6: Final answer
    x = 382,447.75

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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.