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Finding the Fourth Proportional to 380,661.84, 525,075.66 and 244,872.78

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Solution

The fourth proportional to 380,661.84, 525,075.66 and 244,872.78 is: 337,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,661.84 : 525,075.66 = 244,872.78 : x
  2. Step 2: Convert to fraction form
    380,661.84/525,075.66 = 244,872.78/x
  3. Step 3: Cross multiply
    380,661.84x = 525,075.66 × 244,872.78
  4. Step 4: Simplify right side
    380,661.84x = 128,576,736,574.54
  5. Step 5: Solve for x
    x = 128,576,736,574.54/380,661.84
  6. Step 6: Final answer
    x = 337,771.54

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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.