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Finding the Fourth Proportional to 264,803.06, 365,419.32 and 151,603.94

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Solution

The fourth proportional to 264,803.06, 365,419.32 and 151,603.94 is: 209,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,803.06 : 365,419.32 = 151,603.94 : x
  2. Step 2: Convert to fraction form
    264,803.06/365,419.32 = 151,603.94/x
  3. Step 3: Cross multiply
    264,803.06x = 365,419.32 × 151,603.94
  4. Step 4: Simplify right side
    264,803.06x = 55,399,008,664.12
  5. Step 5: Solve for x
    x = 55,399,008,664.12/264,803.06
  6. Step 6: Final answer
    x = 209,208.34

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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.