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Finding the Fourth Proportional to 304,030.83, 455,601.29 and 171,170.31

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Solution

The fourth proportional to 304,030.83, 455,601.29 and 171,170.31 is: 256,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,030.83 : 455,601.29 = 171,170.31 : x
  2. Step 2: Convert to fraction form
    304,030.83/455,601.29 = 171,170.31/x
  3. Step 3: Cross multiply
    304,030.83x = 455,601.29 × 171,170.31
  4. Step 4: Simplify right side
    304,030.83x = 77,985,413,189.85
  5. Step 5: Solve for x
    x = 77,985,413,189.85/304,030.83
  6. Step 6: Final answer
    x = 256,504.95

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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.