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Finding the Fourth Proportional to 329,509.08, 494,321.92 and 124,339.32

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Solution

The fourth proportional to 329,509.08, 494,321.92 and 124,339.32 is: 186,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,509.08 : 494,321.92 = 124,339.32 : x
  2. Step 2: Convert to fraction form
    329,509.08/494,321.92 = 124,339.32/x
  3. Step 3: Cross multiply
    329,509.08x = 494,321.92 × 124,339.32
  4. Step 4: Simplify right side
    329,509.08x = 61,463,651,393.89
  5. Step 5: Solve for x
    x = 61,463,651,393.89/329,509.08
  6. Step 6: Final answer
    x = 186,530.98

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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.