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Finding the Fourth Proportional to 186,449.80, 279,674.70 and 185,137.60

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Solution

The fourth proportional to 186,449.80, 279,674.70 and 185,137.60 is: 277,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,449.80 : 279,674.70 = 185,137.60 : x
  2. Step 2: Convert to fraction form
    186,449.80/279,674.70 = 185,137.60/x
  3. Step 3: Cross multiply
    186,449.80x = 279,674.70 × 185,137.60
  4. Step 4: Simplify right side
    186,449.80x = 51,778,302,738.72
  5. Step 5: Solve for x
    x = 51,778,302,738.72/186,449.80
  6. Step 6: Final answer
    x = 277,706.40

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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.