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Finding the Fourth Proportional to 528,633.86, 793,284.38 and 225,027.56

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Solution

The fourth proportional to 528,633.86, 793,284.38 and 225,027.56 is: 337,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,633.86 : 793,284.38 = 225,027.56 : x
  2. Step 2: Convert to fraction form
    528,633.86/793,284.38 = 225,027.56/x
  3. Step 3: Cross multiply
    528,633.86x = 793,284.38 × 225,027.56
  4. Step 4: Simplify right side
    528,633.86x = 178,510,843,325.95
  5. Step 5: Solve for x
    x = 178,510,843,325.95/528,633.86
  6. Step 6: Final answer
    x = 337,683.34

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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.