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Finding the Fourth Proportional to 329,407.59, 494,106.18 and 104,764.79

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Solution

The fourth proportional to 329,407.59, 494,106.18 and 104,764.79 is: 157,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,407.59 : 494,106.18 = 104,764.79 : x
  2. Step 2: Convert to fraction form
    329,407.59/494,106.18 = 104,764.79/x
  3. Step 3: Cross multiply
    329,407.59x = 494,106.18 × 104,764.79
  4. Step 4: Simplify right side
    329,407.59x = 51,764,927,714.87
  5. Step 5: Solve for x
    x = 51,764,927,714.87/329,407.59
  6. Step 6: Final answer
    x = 157,145.52

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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.