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Finding the Fourth Proportional to 240,620.40, 360,930.60 and 165,970.80

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Solution

The fourth proportional to 240,620.40, 360,930.60 and 165,970.80 is: 248,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,620.40 : 360,930.60 = 165,970.80 : x
  2. Step 2: Convert to fraction form
    240,620.40/360,930.60 = 165,970.80/x
  3. Step 3: Cross multiply
    240,620.40x = 360,930.60 × 165,970.80
  4. Step 4: Simplify right side
    240,620.40x = 59,903,940,426.48
  5. Step 5: Solve for x
    x = 59,903,940,426.48/240,620.40
  6. Step 6: Final answer
    x = 248,956.20

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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.