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Finding the Fourth Proportional to 436,363.00, 654,618.31 and 223,223.45

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Solution

The fourth proportional to 436,363.00, 654,618.31 and 223,223.45 is: 334,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,363.00 : 654,618.31 = 223,223.45 : x
  2. Step 2: Convert to fraction form
    436,363.00/654,618.31 = 223,223.45/x
  3. Step 3: Cross multiply
    436,363.00x = 654,618.31 × 223,223.45
  4. Step 4: Simplify right side
    436,363.00x = 146,126,153,760.22
  5. Step 5: Solve for x
    x = 146,126,153,760.22/436,363.00
  6. Step 6: Final answer
    x = 334,872.93

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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.