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Finding the Fourth Proportional to 703,527.99, 970,866.18 and 381,246

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Solution

The fourth proportional to 703,527.99, 970,866.18 and 381,246 is: 526,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,527.99 : 970,866.18 = 381,246 : x
  2. Step 2: Convert to fraction form
    703,527.99/970,866.18 = 381,246/x
  3. Step 3: Cross multiply
    703,527.99x = 970,866.18 × 381,246
  4. Step 4: Simplify right side
    703,527.99x = 370,138,847,660.28
  5. Step 5: Solve for x
    x = 370,138,847,660.28/703,527.99
  6. Step 6: Final answer
    x = 526,118.15

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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.