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Finding the Fourth Proportional to 370,859.15, 556,288.73 and 366,922.55

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Solution

The fourth proportional to 370,859.15, 556,288.73 and 366,922.55 is: 550,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,859.15 : 556,288.73 = 366,922.55 : x
  2. Step 2: Convert to fraction form
    370,859.15/556,288.73 = 366,922.55/x
  3. Step 3: Cross multiply
    370,859.15x = 556,288.73 × 366,922.55
  4. Step 4: Simplify right side
    370,859.15x = 204,114,879,347.86
  5. Step 5: Solve for x
    x = 204,114,879,347.86/370,859.15
  6. Step 6: Final answer
    x = 550,383.83

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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.