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Finding the Fourth Proportional to 303,817.88, 455,825.24 and 146,058.64

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Solution

The fourth proportional to 303,817.88, 455,825.24 and 146,058.64 is: 219,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,817.88 : 455,825.24 = 146,058.64 : x
  2. Step 2: Convert to fraction form
    303,817.88/455,825.24 = 146,058.64/x
  3. Step 3: Cross multiply
    303,817.88x = 455,825.24 × 146,058.64
  4. Step 4: Simplify right side
    303,817.88x = 66,577,214,632.07
  5. Step 5: Solve for x
    x = 66,577,214,632.07/303,817.88
  6. Step 6: Final answer
    x = 219,135.27

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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.