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Finding the Fourth Proportional to 356,673.94, 535,242.76 and 154,467.56

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Solution

The fourth proportional to 356,673.94, 535,242.76 and 154,467.56 is: 231,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,673.94 : 535,242.76 = 154,467.56 : x
  2. Step 2: Convert to fraction form
    356,673.94/535,242.76 = 154,467.56/x
  3. Step 3: Cross multiply
    356,673.94x = 535,242.76 × 154,467.56
  4. Step 4: Simplify right side
    356,673.94x = 82,677,643,144.87
  5. Step 5: Solve for x
    x = 82,677,643,144.87/356,673.94
  6. Step 6: Final answer
    x = 231,801.75

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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.