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Finding the Fourth Proportional to 332,198.33, 496,985.29 and 288,312.53

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Solution

The fourth proportional to 332,198.33, 496,985.29 and 288,312.53 is: 431,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,198.33 : 496,985.29 = 288,312.53 : x
  2. Step 2: Convert to fraction form
    332,198.33/496,985.29 = 288,312.53/x
  3. Step 3: Cross multiply
    332,198.33x = 496,985.29 × 288,312.53
  4. Step 4: Simplify right side
    332,198.33x = 143,287,083,126.98
  5. Step 5: Solve for x
    x = 143,287,083,126.98/332,198.33
  6. Step 6: Final answer
    x = 431,329.94

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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.