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Finding the Fourth Proportional to 330,351.60, 495,527.40 and 197,163.30

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Solution

The fourth proportional to 330,351.60, 495,527.40 and 197,163.30 is: 295,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,351.60 : 495,527.40 = 197,163.30 : x
  2. Step 2: Convert to fraction form
    330,351.60/495,527.40 = 197,163.30/x
  3. Step 3: Cross multiply
    330,351.60x = 495,527.40 × 197,163.30
  4. Step 4: Simplify right side
    330,351.60x = 97,699,817,424.42
  5. Step 5: Solve for x
    x = 97,699,817,424.42/330,351.60
  6. Step 6: Final answer
    x = 295,744.95

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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.