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Finding the Fourth Proportional to 610,120.42, 914,893.77 and 225,603.60

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Solution

The fourth proportional to 610,120.42, 914,893.77 and 225,603.60 is: 338,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,120.42 : 914,893.77 = 225,603.60 : x
  2. Step 2: Convert to fraction form
    610,120.42/914,893.77 = 225,603.60/x
  3. Step 3: Cross multiply
    610,120.42x = 914,893.77 × 225,603.60
  4. Step 4: Simplify right side
    610,120.42x = 206,403,323,555.10
  5. Step 5: Solve for x
    x = 206,403,323,555.10/610,120.42
  6. Step 6: Final answer
    x = 338,299.32

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1.5x scale

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.