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Finding the Fourth Proportional to 265,005.98, 365,913.53 and 203,655.00

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Solution

The fourth proportional to 265,005.98, 365,913.53 and 203,655.00 is: 281,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,005.98 : 365,913.53 = 203,655.00 : x
  2. Step 2: Convert to fraction form
    265,005.98/365,913.53 = 203,655.00/x
  3. Step 3: Cross multiply
    265,005.98x = 365,913.53 × 203,655.00
  4. Step 4: Simplify right side
    265,005.98x = 74,520,117,104.31
  5. Step 5: Solve for x
    x = 74,520,117,104.31/265,005.98
  6. Step 6: Final answer
    x = 281,201.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.