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Finding the Fourth Proportional to 341,620.34, 512,741.40 and 181,830.37

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Solution

The fourth proportional to 341,620.34, 512,741.40 and 181,830.37 is: 272,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,620.34 : 512,741.40 = 181,830.37 : x
  2. Step 2: Convert to fraction form
    341,620.34/512,741.40 = 181,830.37/x
  3. Step 3: Cross multiply
    341,620.34x = 512,741.40 × 181,830.37
  4. Step 4: Simplify right side
    341,620.34x = 93,231,958,916.08
  5. Step 5: Solve for x
    x = 93,231,958,916.08/341,620.34
  6. Step 6: Final answer
    x = 272,911.03

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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.