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Finding the Fourth Proportional to 528,927.45, 730,231.38 and 322,273.77

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Solution

The fourth proportional to 528,927.45, 730,231.38 and 322,273.77 is: 444,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,927.45 : 730,231.38 = 322,273.77 : x
  2. Step 2: Convert to fraction form
    528,927.45/730,231.38 = 322,273.77/x
  3. Step 3: Cross multiply
    528,927.45x = 730,231.38 × 322,273.77
  4. Step 4: Simplify right side
    528,927.45x = 235,334,419,804.90
  5. Step 5: Solve for x
    x = 235,334,419,804.90/528,927.45
  6. Step 6: Final answer
    x = 444,927.60

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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.