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Finding the Fourth Proportional to 382,208.80, 573,313.20 and 358,589.20

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Solution

The fourth proportional to 382,208.80, 573,313.20 and 358,589.20 is: 537,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,208.80 : 573,313.20 = 358,589.20 : x
  2. Step 2: Convert to fraction form
    382,208.80/573,313.20 = 358,589.20/x
  3. Step 3: Cross multiply
    382,208.80x = 573,313.20 × 358,589.20
  4. Step 4: Simplify right side
    382,208.80x = 205,583,921,737.44
  5. Step 5: Solve for x
    x = 205,583,921,737.44/382,208.80
  6. Step 6: Final answer
    x = 537,883.80

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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.