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Finding the Fourth Proportional to 303,321.15, 454,981.73 and 197,567.55

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Solution

The fourth proportional to 303,321.15, 454,981.73 and 197,567.55 is: 296,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,321.15 : 454,981.73 = 197,567.55 : x
  2. Step 2: Convert to fraction form
    303,321.15/454,981.73 = 197,567.55/x
  3. Step 3: Cross multiply
    303,321.15x = 454,981.73 × 197,567.55
  4. Step 4: Simplify right side
    303,321.15x = 89,889,624,703.02
  5. Step 5: Solve for x
    x = 89,889,624,703.02/303,321.15
  6. Step 6: Final answer
    x = 296,351.33

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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.