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Finding the Fourth Proportional to 359,745.18, 496,435.33 and 198,596.77

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Solution

The fourth proportional to 359,745.18, 496,435.33 and 198,596.77 is: 274,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,745.18 : 496,435.33 = 198,596.77 : x
  2. Step 2: Convert to fraction form
    359,745.18/496,435.33 = 198,596.77/x
  3. Step 3: Cross multiply
    359,745.18x = 496,435.33 × 198,596.77
  4. Step 4: Simplify right side
    359,745.18x = 98,590,449,576.72
  5. Step 5: Solve for x
    x = 98,590,449,576.72/359,745.18
  6. Step 6: Final answer
    x = 274,056.35

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1.5x scale

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.