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Finding the Fourth Proportional to 473,361.60, 652,868.64 and 303,611.20

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Solution

The fourth proportional to 473,361.60, 652,868.64 and 303,611.20 is: 418,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,361.60 : 652,868.64 = 303,611.20 : x
  2. Step 2: Convert to fraction form
    473,361.60/652,868.64 = 303,611.20/x
  3. Step 3: Cross multiply
    473,361.60x = 652,868.64 × 303,611.20
  4. Step 4: Simplify right side
    473,361.60x = 198,218,231,232.77
  5. Step 5: Solve for x
    x = 198,218,231,232.77/473,361.60
  6. Step 6: Final answer
    x = 418,745.90

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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.