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Finding the Fourth Proportional to 366,908.70, 550,363.05 and 353,622.68

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Solution

The fourth proportional to 366,908.70, 550,363.05 and 353,622.68 is: 530,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,908.70 : 550,363.05 = 353,622.68 : x
  2. Step 2: Convert to fraction form
    366,908.70/550,363.05 = 353,622.68/x
  3. Step 3: Cross multiply
    366,908.70x = 550,363.05 × 353,622.68
  4. Step 4: Simplify right side
    366,908.70x = 194,620,853,962.16
  5. Step 5: Solve for x
    x = 194,620,853,962.16/366,908.70
  6. Step 6: Final answer
    x = 530,434.01

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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.