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Finding the Fourth Proportional to 365,469.80, 548,204.70 and 349,723.40

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Solution

The fourth proportional to 365,469.80, 548,204.70 and 349,723.40 is: 524,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,469.80 : 548,204.70 = 349,723.40 : x
  2. Step 2: Convert to fraction form
    365,469.80/548,204.70 = 349,723.40/x
  3. Step 3: Cross multiply
    365,469.80x = 548,204.70 × 349,723.40
  4. Step 4: Simplify right side
    365,469.80x = 191,720,011,579.98
  5. Step 5: Solve for x
    x = 191,720,011,579.98/365,469.80
  6. Step 6: Final answer
    x = 524,585.10

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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.