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Finding the Fourth Proportional to 655,361.30, 904,340.90 and 364,950.92

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Solution

The fourth proportional to 655,361.30, 904,340.90 and 364,950.92 is: 503,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,361.30 : 904,340.90 = 364,950.92 : x
  2. Step 2: Convert to fraction form
    655,361.30/904,340.90 = 364,950.92/x
  3. Step 3: Cross multiply
    655,361.30x = 904,340.90 × 364,950.92
  4. Step 4: Simplify right side
    655,361.30x = 330,040,037,102.17
  5. Step 5: Solve for x
    x = 330,040,037,102.17/655,361.30
  6. Step 6: Final answer
    x = 503,600.14

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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.