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Finding the Fourth Proportional to 329,053.36, 493,599.54 and 104,409.64

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Solution

The fourth proportional to 329,053.36, 493,599.54 and 104,409.64 is: 156,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,053.36 : 493,599.54 = 104,409.64 : x
  2. Step 2: Convert to fraction form
    329,053.36/493,599.54 = 104,409.64/x
  3. Step 3: Cross multiply
    329,053.36x = 493,599.54 × 104,409.64
  4. Step 4: Simplify right side
    329,053.36x = 51,536,550,275.57
  5. Step 5: Solve for x
    x = 51,536,550,275.57/329,053.36
  6. Step 6: Final answer
    x = 156,620.65

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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.