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Finding the Fourth Proportional to 411,329.82, 616,932.15 and 158,573.43

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Solution

The fourth proportional to 411,329.82, 616,932.15 and 158,573.43 is: 237,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,329.82 : 616,932.15 = 158,573.43 : x
  2. Step 2: Convert to fraction form
    411,329.82/616,932.15 = 158,573.43/x
  3. Step 3: Cross multiply
    411,329.82x = 616,932.15 × 158,573.43
  4. Step 4: Simplify right side
    411,329.82x = 97,829,047,102.77
  5. Step 5: Solve for x
    x = 97,829,047,102.77/411,329.82
  6. Step 6: Final answer
    x = 237,836.02

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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.