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Finding the Fourth Proportional to 526,266.56, 789,516.48 and 245,630.72

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Solution

The fourth proportional to 526,266.56, 789,516.48 and 245,630.72 is: 368,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,266.56 : 789,516.48 = 245,630.72 : x
  2. Step 2: Convert to fraction form
    526,266.56/789,516.48 = 245,630.72/x
  3. Step 3: Cross multiply
    526,266.56x = 789,516.48 × 245,630.72
  4. Step 4: Simplify right side
    526,266.56x = 193,929,501,434.27
  5. Step 5: Solve for x
    x = 193,929,501,434.27/526,266.56
  6. Step 6: Final answer
    x = 368,500.52

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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.