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Finding the Fourth Proportional to 375,689.37, 518,504.50 and 232,495.54

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Solution

The fourth proportional to 375,689.37, 518,504.50 and 232,495.54 is: 320,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,689.37 : 518,504.50 = 232,495.54 : x
  2. Step 2: Convert to fraction form
    375,689.37/518,504.50 = 232,495.54/x
  3. Step 3: Cross multiply
    375,689.37x = 518,504.50 × 232,495.54
  4. Step 4: Simplify right side
    375,689.37x = 120,549,983,719.93
  5. Step 5: Solve for x
    x = 120,549,983,719.93/375,689.37
  6. Step 6: Final answer
    x = 320,876.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.