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Finding the Fourth Proportional to 703,611.24, 970,981.07 and 381,329.25

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Solution

The fourth proportional to 703,611.24, 970,981.07 and 381,329.25 is: 526,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,611.24 : 970,981.07 = 381,329.25 : x
  2. Step 2: Convert to fraction form
    703,611.24/970,981.07 = 381,329.25/x
  3. Step 3: Cross multiply
    703,611.24x = 970,981.07 × 381,329.25
  4. Step 4: Simplify right side
    703,611.24x = 370,263,481,280.65
  5. Step 5: Solve for x
    x = 370,263,481,280.65/703,611.24
  6. Step 6: Final answer
    x = 526,233.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.