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Finding the Fourth Proportional to 529,597.76, 730,851.96 and 287,884.04

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Solution

The fourth proportional to 529,597.76, 730,851.96 and 287,884.04 is: 397,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,597.76 : 730,851.96 = 287,884.04 : x
  2. Step 2: Convert to fraction form
    529,597.76/730,851.96 = 287,884.04/x
  3. Step 3: Cross multiply
    529,597.76x = 730,851.96 × 287,884.04
  4. Step 4: Simplify right side
    529,597.76x = 210,400,614,886.72
  5. Step 5: Solve for x
    x = 210,400,614,886.72/529,597.76
  6. Step 6: Final answer
    x = 397,283.81

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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.