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Finding the Fourth Proportional to 655,357.44, 904,393 and 368,879.04

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Solution

The fourth proportional to 655,357.44, 904,393 and 368,879.04 is: 509,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,357.44 : 904,393 = 368,879.04 : x
  2. Step 2: Convert to fraction form
    655,357.44/904,393 = 368,879.04/x
  3. Step 3: Cross multiply
    655,357.44x = 904,393 × 368,879.04
  4. Step 4: Simplify right side
    655,357.44x = 333,611,621,622.72
  5. Step 5: Solve for x
    x = 333,611,621,622.72/655,357.44
  6. Step 6: Final answer
    x = 509,052.92

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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.