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Finding the Fourth Proportional to 317,938.98, 476,992.31 and 184,691.15

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Solution

The fourth proportional to 317,938.98, 476,992.31 and 184,691.15 is: 277,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,938.98 : 476,992.31 = 184,691.15 : x
  2. Step 2: Convert to fraction form
    317,938.98/476,992.31 = 184,691.15/x
  3. Step 3: Cross multiply
    317,938.98x = 476,992.31 × 184,691.15
  4. Step 4: Simplify right side
    317,938.98x = 88,096,258,275.06
  5. Step 5: Solve for x
    x = 88,096,258,275.06/317,938.98
  6. Step 6: Final answer
    x = 277,085.43

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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.