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Finding the Fourth Proportional to 653,136.21, 901,266.35 and 366,600.33

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Solution

The fourth proportional to 653,136.21, 901,266.35 and 366,600.33 is: 505,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,136.21 : 901,266.35 = 366,600.33 : x
  2. Step 2: Convert to fraction form
    653,136.21/901,266.35 = 366,600.33/x
  3. Step 3: Cross multiply
    653,136.21x = 901,266.35 × 366,600.33
  4. Step 4: Simplify right side
    653,136.21x = 330,404,539,494.89
  5. Step 5: Solve for x
    x = 330,404,539,494.89/653,136.21
  6. Step 6: Final answer
    x = 505,873.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.