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Finding the Fourth Proportional to 603,400.58, 905,474.63 and 350,799.95

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Solution

The fourth proportional to 603,400.58, 905,474.63 and 350,799.95 is: 526,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,400.58 : 905,474.63 = 350,799.95 : x
  2. Step 2: Convert to fraction form
    603,400.58/905,474.63 = 350,799.95/x
  3. Step 3: Cross multiply
    603,400.58x = 905,474.63 × 350,799.95
  4. Step 4: Simplify right side
    603,400.58x = 317,640,448,648.90
  5. Step 5: Solve for x
    x = 317,640,448,648.90/603,400.58
  6. Step 6: Final answer
    x = 526,417.21

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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.