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Finding the Fourth Proportional to 336,315.50, 463,852.83 and 215,468

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Solution

The fourth proportional to 336,315.50, 463,852.83 and 215,468 is: 297,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,315.50 : 463,852.83 = 215,468 : x
  2. Step 2: Convert to fraction form
    336,315.50/463,852.83 = 215,468/x
  3. Step 3: Cross multiply
    336,315.50x = 463,852.83 × 215,468
  4. Step 4: Simplify right side
    336,315.50x = 99,945,441,574.44
  5. Step 5: Solve for x
    x = 99,945,441,574.44/336,315.50
  6. Step 6: Final answer
    x = 297,177.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.