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Finding the Fourth Proportional to 329,509.58, 494,322.67 and 124,339.82

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Solution

The fourth proportional to 329,509.58, 494,322.67 and 124,339.82 is: 186,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,509.58 : 494,322.67 = 124,339.82 : x
  2. Step 2: Convert to fraction form
    329,509.58/494,322.67 = 124,339.82/x
  3. Step 3: Cross multiply
    329,509.58x = 494,322.67 × 124,339.82
  4. Step 4: Simplify right side
    329,509.58x = 61,463,991,809.72
  5. Step 5: Solve for x
    x = 61,463,991,809.72/329,509.58
  6. Step 6: Final answer
    x = 186,531.73

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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.