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Finding the Fourth Proportional to 529,402.53, 794,252.03 and 214,080.87

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Solution

The fourth proportional to 529,402.53, 794,252.03 and 214,080.87 is: 321,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,402.53 : 794,252.03 = 214,080.87 : x
  2. Step 2: Convert to fraction form
    529,402.53/794,252.03 = 214,080.87/x
  3. Step 3: Cross multiply
    529,402.53x = 794,252.03 × 214,080.87
  4. Step 4: Simplify right side
    529,402.53x = 170,034,164,511.26
  5. Step 5: Solve for x
    x = 170,034,164,511.26/529,402.53
  6. Step 6: Final answer
    x = 321,181.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.