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Finding the Fourth Proportional to 363,003.70, 543,849.45 and 310,515.70

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Solution

The fourth proportional to 363,003.70, 543,849.45 and 310,515.70 is: 465,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,003.70 : 543,849.45 = 310,515.70 : x
  2. Step 2: Convert to fraction form
    363,003.70/543,849.45 = 310,515.70/x
  3. Step 3: Cross multiply
    363,003.70x = 543,849.45 × 310,515.70
  4. Step 4: Simplify right side
    363,003.70x = 168,873,792,661.37
  5. Step 5: Solve for x
    x = 168,873,792,661.37/363,003.70
  6. Step 6: Final answer
    x = 465,212.32

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1.5x scale

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.