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Finding the Fourth Proportional to 240,890.40, 360,946.80 and 151,984.80

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Solution

The fourth proportional to 240,890.40, 360,946.80 and 151,984.80 is: 227,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,890.40 : 360,946.80 = 151,984.80 : x
  2. Step 2: Convert to fraction form
    240,890.40/360,946.80 = 151,984.80/x
  3. Step 3: Cross multiply
    240,890.40x = 360,946.80 × 151,984.80
  4. Step 4: Simplify right side
    240,890.40x = 54,858,427,208.64
  5. Step 5: Solve for x
    x = 54,858,427,208.64/240,890.40
  6. Step 6: Final answer
    x = 227,731.89

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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.