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Finding the Fourth Proportional to 371,808.52, 557,613.15 and 161,396.44

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Solution

The fourth proportional to 371,808.52, 557,613.15 and 161,396.44 is: 242,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,808.52 : 557,613.15 = 161,396.44 : x
  2. Step 2: Convert to fraction form
    371,808.52/557,613.15 = 161,396.44/x
  3. Step 3: Cross multiply
    371,808.52x = 557,613.15 × 161,396.44
  4. Step 4: Simplify right side
    371,808.52x = 89,996,775,307.92
  5. Step 5: Solve for x
    x = 89,996,775,307.92/371,808.52
  6. Step 6: Final answer
    x = 242,051.41

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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.