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Finding the Fourth Proportional to 321,674.58, 443,902.35 and 185,703.93

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Solution

The fourth proportional to 321,674.58, 443,902.35 and 185,703.93 is: 256,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,674.58 : 443,902.35 = 185,703.93 : x
  2. Step 2: Convert to fraction form
    321,674.58/443,902.35 = 185,703.93/x
  3. Step 3: Cross multiply
    321,674.58x = 443,902.35 × 185,703.93
  4. Step 4: Simplify right side
    321,674.58x = 82,434,410,931.24
  5. Step 5: Solve for x
    x = 82,434,410,931.24/321,674.58
  6. Step 6: Final answer
    x = 256,266.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.