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Finding the Fourth Proportional to 304,950.66, 421,041.96 and 233,205.72

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Solution

The fourth proportional to 304,950.66, 421,041.96 and 233,205.72 is: 321,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,950.66 : 421,041.96 = 233,205.72 : x
  2. Step 2: Convert to fraction form
    304,950.66/421,041.96 = 233,205.72/x
  3. Step 3: Cross multiply
    304,950.66x = 421,041.96 × 233,205.72
  4. Step 4: Simplify right side
    304,950.66x = 98,189,393,432.01
  5. Step 5: Solve for x
    x = 98,189,393,432.01/304,950.66
  6. Step 6: Final answer
    x = 321,984.53

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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.