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Finding the Fourth Proportional to 366,984.70, 550,477.05 and 100,744.80

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Solution

The fourth proportional to 366,984.70, 550,477.05 and 100,744.80 is: 151,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,984.70 : 550,477.05 = 100,744.80 : x
  2. Step 2: Convert to fraction form
    366,984.70/550,477.05 = 100,744.80/x
  3. Step 3: Cross multiply
    366,984.70x = 550,477.05 × 100,744.80
  4. Step 4: Simplify right side
    366,984.70x = 55,457,700,306.84
  5. Step 5: Solve for x
    x = 55,457,700,306.84/366,984.70
  6. Step 6: Final answer
    x = 151,117.20

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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.