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Finding the Fourth Proportional to 325,748.78, 487,950.64 and 241,603.96

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Solution

The fourth proportional to 325,748.78, 487,950.64 and 241,603.96 is: 361,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,748.78 : 487,950.64 = 241,603.96 : x
  2. Step 2: Convert to fraction form
    325,748.78/487,950.64 = 241,603.96/x
  3. Step 3: Cross multiply
    325,748.78x = 487,950.64 × 241,603.96
  4. Step 4: Simplify right side
    325,748.78x = 117,890,806,908.53
  5. Step 5: Solve for x
    x = 117,890,806,908.53/325,748.78
  6. Step 6: Final answer
    x = 361,907.13

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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.