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Finding the Fourth Proportional to 301,323.62, 451,562.90 and 216,685.50

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Solution

The fourth proportional to 301,323.62, 451,562.90 and 216,685.50 is: 324,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,323.62 : 451,562.90 = 216,685.50 : x
  2. Step 2: Convert to fraction form
    301,323.62/451,562.90 = 216,685.50/x
  3. Step 3: Cross multiply
    301,323.62x = 451,562.90 × 216,685.50
  4. Step 4: Simplify right side
    301,323.62x = 97,847,131,684.52
  5. Step 5: Solve for x
    x = 97,847,131,684.52/301,323.62
  6. Step 6: Final answer
    x = 324,724.41

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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.