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Finding the Fourth Proportional to 325,401.90, 487,584.45 and 241,421.10

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Solution

The fourth proportional to 325,401.90, 487,584.45 and 241,421.10 is: 361,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,401.90 : 487,584.45 = 241,421.10 : x
  2. Step 2: Convert to fraction form
    325,401.90/487,584.45 = 241,421.10/x
  3. Step 3: Cross multiply
    325,401.90x = 487,584.45 × 241,421.10
  4. Step 4: Simplify right side
    325,401.90x = 117,713,174,261.90
  5. Step 5: Solve for x
    x = 117,713,174,261.90/325,401.90
  6. Step 6: Final answer
    x = 361,747.04

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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.