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Finding the Fourth Proportional to 655,147.44, 904,030.20 and 368,766

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Solution

The fourth proportional to 655,147.44, 904,030.20 and 368,766 is: 508,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,147.44 : 904,030.20 = 368,766 : x
  2. Step 2: Convert to fraction form
    655,147.44/904,030.20 = 368,766/x
  3. Step 3: Cross multiply
    655,147.44x = 904,030.20 × 368,766
  4. Step 4: Simplify right side
    655,147.44x = 333,375,600,733.20
  5. Step 5: Solve for x
    x = 333,375,600,733.20/655,147.44
  6. Step 6: Final answer
    x = 508,855.84

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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.