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Finding the Fourth Proportional to 372,999.06, 514,584.63 and 259,887.42

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Solution

The fourth proportional to 372,999.06, 514,584.63 and 259,887.42 is: 358,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,999.06 : 514,584.63 = 259,887.42 : x
  2. Step 2: Convert to fraction form
    372,999.06/514,584.63 = 259,887.42/x
  3. Step 3: Cross multiply
    372,999.06x = 514,584.63 × 259,887.42
  4. Step 4: Simplify right side
    372,999.06x = 133,734,071,862.36
  5. Step 5: Solve for x
    x = 133,734,071,862.36/372,999.06
  6. Step 6: Final answer
    x = 358,537.29

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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.