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Finding the Fourth Proportional to 358,314.92, 537,550.14 and 108,990.44

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Solution

The fourth proportional to 358,314.92, 537,550.14 and 108,990.44 is: 163,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,314.92 : 537,550.14 = 108,990.44 : x
  2. Step 2: Convert to fraction form
    358,314.92/537,550.14 = 108,990.44/x
  3. Step 3: Cross multiply
    358,314.92x = 537,550.14 × 108,990.44
  4. Step 4: Simplify right side
    358,314.92x = 58,587,825,735.71
  5. Step 5: Solve for x
    x = 58,587,825,735.71/358,314.92
  6. Step 6: Final answer
    x = 163,509.31

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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.