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Finding the Fourth Proportional to 370,817.10, 555,837.80 and 171,268.39

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Solution

The fourth proportional to 370,817.10, 555,837.80 and 171,268.39 is: 256,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,817.10 : 555,837.80 = 171,268.39 : x
  2. Step 2: Convert to fraction form
    370,817.10/555,837.80 = 171,268.39/x
  3. Step 3: Cross multiply
    370,817.10x = 555,837.80 × 171,268.39
  4. Step 4: Simplify right side
    370,817.10x = 95,197,445,107.14
  5. Step 5: Solve for x
    x = 95,197,445,107.14/370,817.10
  6. Step 6: Final answer
    x = 256,723.45

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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.