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Finding the Fourth Proportional to 529,419.51, 794,227.68 and 174,458.48

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Solution

The fourth proportional to 529,419.51, 794,227.68 and 174,458.48 is: 261,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,419.51 : 794,227.68 = 174,458.48 : x
  2. Step 2: Convert to fraction form
    529,419.51/794,227.68 = 174,458.48/x
  3. Step 3: Cross multiply
    529,419.51x = 794,227.68 × 174,458.48
  4. Step 4: Simplify right side
    529,419.51x = 138,559,749,855.59
  5. Step 5: Solve for x
    x = 138,559,749,855.59/529,419.51
  6. Step 6: Final answer
    x = 261,720.14

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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.