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Finding the Fourth Proportional to 618,771.98, 928,158.71 and 169,496.72

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Solution

The fourth proportional to 618,771.98, 928,158.71 and 169,496.72 is: 254,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,771.98 : 928,158.71 = 169,496.72 : x
  2. Step 2: Convert to fraction form
    618,771.98/928,158.71 = 169,496.72/x
  3. Step 3: Cross multiply
    618,771.98x = 928,158.71 × 169,496.72
  4. Step 4: Simplify right side
    618,771.98x = 157,319,859,516.70
  5. Step 5: Solve for x
    x = 157,319,859,516.70/618,771.98
  6. Step 6: Final answer
    x = 254,245.29

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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.