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Finding the Fourth Proportional to 370,745.47, 555,744.25 and 146,019.07

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Solution

The fourth proportional to 370,745.47, 555,744.25 and 146,019.07 is: 218,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,745.47 : 555,744.25 = 146,019.07 : x
  2. Step 2: Convert to fraction form
    370,745.47/555,744.25 = 146,019.07/x
  3. Step 3: Cross multiply
    370,745.47x = 555,744.25 × 146,019.07
  4. Step 4: Simplify right side
    370,745.47x = 81,149,258,542.85
  5. Step 5: Solve for x
    x = 81,149,258,542.85/370,745.47
  6. Step 6: Final answer
    x = 218,881.32

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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.