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Finding the Fourth Proportional to 238,605.57, 357,129.53 and 175,408.96

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Solution

The fourth proportional to 238,605.57, 357,129.53 and 175,408.96 is: 262,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,605.57 : 357,129.53 = 175,408.96 : x
  2. Step 2: Convert to fraction form
    238,605.57/357,129.53 = 175,408.96/x
  3. Step 3: Cross multiply
    238,605.57x = 357,129.53 × 175,408.96
  4. Step 4: Simplify right side
    238,605.57x = 62,643,719,881.11
  5. Step 5: Solve for x
    x = 62,643,719,881.11/238,605.57
  6. Step 6: Final answer
    x = 262,540.90

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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.