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Finding the Fourth Proportional to 240,885.90, 360,940.05 and 151,980.30

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Solution

The fourth proportional to 240,885.90, 360,940.05 and 151,980.30 is: 227,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,885.90 : 360,940.05 = 151,980.30 : x
  2. Step 2: Convert to fraction form
    240,885.90/360,940.05 = 151,980.30/x
  3. Step 3: Cross multiply
    240,885.90x = 360,940.05 × 151,980.30
  4. Step 4: Simplify right side
    240,885.90x = 54,855,777,081.02
  5. Step 5: Solve for x
    x = 54,855,777,081.02/240,885.90
  6. Step 6: Final answer
    x = 227,725.15

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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.