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Finding the Fourth Proportional to 529,124, 793,800.96 and 174,174.08

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Solution

The fourth proportional to 529,124, 793,800.96 and 174,174.08 is: 261,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,124 : 793,800.96 = 174,174.08 : x
  2. Step 2: Convert to fraction form
    529,124/793,800.96 = 174,174.08/x
  3. Step 3: Cross multiply
    529,124x = 793,800.96 × 174,174.08
  4. Step 4: Simplify right side
    529,124x = 138,259,551,911.12
  5. Step 5: Solve for x
    x = 138,259,551,911.12/529,124
  6. Step 6: Final answer
    x = 261,298.96

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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.