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Finding the Fourth Proportional to 240,609.40, 360,914.10 and 165,959.80

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Solution

The fourth proportional to 240,609.40, 360,914.10 and 165,959.80 is: 248,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,609.40 : 360,914.10 = 165,959.80 : x
  2. Step 2: Convert to fraction form
    240,609.40/360,914.10 = 165,959.80/x
  3. Step 3: Cross multiply
    240,609.40x = 360,914.10 × 165,959.80
  4. Step 4: Simplify right side
    240,609.40x = 59,897,231,853.18
  5. Step 5: Solve for x
    x = 59,897,231,853.18/240,609.40
  6. Step 6: Final answer
    x = 248,939.70

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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.