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Finding the Fourth Proportional to 491,273.40, 736,910.10 and 241,903.80

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Solution

The fourth proportional to 491,273.40, 736,910.10 and 241,903.80 is: 362,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,273.40 : 736,910.10 = 241,903.80 : x
  2. Step 2: Convert to fraction form
    491,273.40/736,910.10 = 241,903.80/x
  3. Step 3: Cross multiply
    491,273.40x = 736,910.10 × 241,903.80
  4. Step 4: Simplify right side
    491,273.40x = 178,261,353,448.38
  5. Step 5: Solve for x
    x = 178,261,353,448.38/491,273.40
  6. Step 6: Final answer
    x = 362,855.70

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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.