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Finding the Fourth Proportional to 224,813.44, 311,663.04 and 212,828.48

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Solution

The fourth proportional to 224,813.44, 311,663.04 and 212,828.48 is: 295,048.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,813.44 : 311,663.04 = 212,828.48 : x
  2. Step 2: Convert to fraction form
    224,813.44/311,663.04 = 212,828.48/x
  3. Step 3: Cross multiply
    224,813.44x = 311,663.04 × 212,828.48
  4. Step 4: Simplify right side
    224,813.44x = 66,330,771,075.38
  5. Step 5: Solve for x
    x = 66,330,771,075.38/224,813.44
  6. Step 6: Final answer
    x = 295,048.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.