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Finding the Fourth Proportional to 529,363.20, 793,874.16 and 174,292.72

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Solution

The fourth proportional to 529,363.20, 793,874.16 and 174,292.72 is: 261,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,363.20 : 793,874.16 = 174,292.72 : x
  2. Step 2: Convert to fraction form
    529,363.20/793,874.16 = 174,292.72/x
  3. Step 3: Cross multiply
    529,363.20x = 793,874.16 × 174,292.72
  4. Step 4: Simplify right side
    529,363.20x = 138,366,486,684.12
  5. Step 5: Solve for x
    x = 138,366,486,684.12/529,363.20
  6. Step 6: Final answer
    x = 261,382.90

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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.