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Finding the Fourth Proportional to 560,936.70, 841,406.40 and 224,004.78

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Solution

The fourth proportional to 560,936.70, 841,406.40 and 224,004.78 is: 336,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,936.70 : 841,406.40 = 224,004.78 : x
  2. Step 2: Convert to fraction form
    560,936.70/841,406.40 = 224,004.78/x
  3. Step 3: Cross multiply
    560,936.70x = 841,406.40 × 224,004.78
  4. Step 4: Simplify right side
    560,936.70x = 188,479,055,522.59
  5. Step 5: Solve for x
    x = 188,479,055,522.59/560,936.70
  6. Step 6: Final answer
    x = 336,007.71

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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.