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Finding the Fourth Proportional to 322,910.85, 484,391.04 and 98,290.46

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Solution

The fourth proportional to 322,910.85, 484,391.04 and 98,290.46 is: 147,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,910.85 : 484,391.04 = 98,290.46 : x
  2. Step 2: Convert to fraction form
    322,910.85/484,391.04 = 98,290.46/x
  3. Step 3: Cross multiply
    322,910.85x = 484,391.04 × 98,290.46
  4. Step 4: Simplify right side
    322,910.85x = 47,611,018,983.87
  5. Step 5: Solve for x
    x = 47,611,018,983.87/322,910.85
  6. Step 6: Final answer
    x = 147,443.23

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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.