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Finding the Fourth Proportional to 374,603.97, 561,812.42 and 146,945.86

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Solution

The fourth proportional to 374,603.97, 561,812.42 and 146,945.86 is: 220,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,603.97 : 561,812.42 = 146,945.86 : x
  2. Step 2: Convert to fraction form
    374,603.97/561,812.42 = 146,945.86/x
  3. Step 3: Cross multiply
    374,603.97x = 561,812.42 × 146,945.86
  4. Step 4: Simplify right side
    374,603.97x = 82,556,008,178.41
  5. Step 5: Solve for x
    x = 82,556,008,178.41/374,603.97
  6. Step 6: Final answer
    x = 220,382.10

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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.