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Finding the Fourth Proportional to 197,659.50, 296,178.78 and 152,790.79

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Solution

The fourth proportional to 197,659.50, 296,178.78 and 152,790.79 is: 228,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,659.50 : 296,178.78 = 152,790.79 : x
  2. Step 2: Convert to fraction form
    197,659.50/296,178.78 = 152,790.79/x
  3. Step 3: Cross multiply
    197,659.50x = 296,178.78 × 152,790.79
  4. Step 4: Simplify right side
    197,659.50x = 45,253,389,013.48
  5. Step 5: Solve for x
    x = 45,253,389,013.48/197,659.50
  6. Step 6: Final answer
    x = 228,946.19

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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.