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Finding the Fourth Proportional to 529,433.52, 730,618.24 and 290,969.52

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Solution

The fourth proportional to 529,433.52, 730,618.24 and 290,969.52 is: 401,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,433.52 : 730,618.24 = 290,969.52 : x
  2. Step 2: Convert to fraction form
    529,433.52/730,618.24 = 290,969.52/x
  3. Step 3: Cross multiply
    529,433.52x = 730,618.24 × 290,969.52
  4. Step 4: Simplify right side
    529,433.52x = 212,587,638,596.05
  5. Step 5: Solve for x
    x = 212,587,638,596.05/529,433.52
  6. Step 6: Final answer
    x = 401,537.93

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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.