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Finding the Fourth Proportional to 363,455.98, 545,003.34 and 230,235.28

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Solution

The fourth proportional to 363,455.98, 545,003.34 and 230,235.28 is: 345,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,455.98 : 545,003.34 = 230,235.28 : x
  2. Step 2: Convert to fraction form
    363,455.98/545,003.34 = 230,235.28/x
  3. Step 3: Cross multiply
    363,455.98x = 545,003.34 × 230,235.28
  4. Step 4: Simplify right side
    363,455.98x = 125,478,996,585.84
  5. Step 5: Solve for x
    x = 125,478,996,585.84/363,455.98
  6. Step 6: Final answer
    x = 345,238.50

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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.