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Finding the Fourth Proportional to 322,814.70, 484,222.05 and 98,173.35

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Solution

The fourth proportional to 322,814.70, 484,222.05 and 98,173.35 is: 147,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,814.70 : 484,222.05 = 98,173.35 : x
  2. Step 2: Convert to fraction form
    322,814.70/484,222.05 = 98,173.35/x
  3. Step 3: Cross multiply
    322,814.70x = 484,222.05 × 98,173.35
  4. Step 4: Simplify right side
    322,814.70x = 47,537,700,792.37
  5. Step 5: Solve for x
    x = 47,537,700,792.37/322,814.70
  6. Step 6: Final answer
    x = 147,260.03

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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.