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Finding the Fourth Proportional to 325,742.78, 487,941.64 and 241,597.96

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Solution

The fourth proportional to 325,742.78, 487,941.64 and 241,597.96 is: 361,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,742.78 : 487,941.64 = 241,597.96 : x
  2. Step 2: Convert to fraction form
    325,742.78/487,941.64 = 241,597.96/x
  3. Step 3: Cross multiply
    325,742.78x = 487,941.64 × 241,597.96
  4. Step 4: Simplify right side
    325,742.78x = 117,885,702,999.21
  5. Step 5: Solve for x
    x = 117,885,702,999.21/325,742.78
  6. Step 6: Final answer
    x = 361,898.13

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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.