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Finding the Fourth Proportional to 529,597.26, 730,851.27 and 287,883.54

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Solution

The fourth proportional to 529,597.26, 730,851.27 and 287,883.54 is: 397,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,597.26 : 730,851.27 = 287,883.54 : x
  2. Step 2: Convert to fraction form
    529,597.26/730,851.27 = 287,883.54/x
  3. Step 3: Cross multiply
    529,597.26x = 730,851.27 × 287,883.54
  4. Step 4: Simplify right side
    529,597.26x = 210,400,050,821.10
  5. Step 5: Solve for x
    x = 210,400,050,821.10/529,597.26
  6. Step 6: Final answer
    x = 397,283.12

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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.