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Finding the Fourth Proportional to 529,015.48, 792,176.13 and 348,553.80

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Solution

The fourth proportional to 529,015.48, 792,176.13 and 348,553.80 is: 521,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,015.48 : 792,176.13 = 348,553.80 : x
  2. Step 2: Convert to fraction form
    529,015.48/792,176.13 = 348,553.80/x
  3. Step 3: Cross multiply
    529,015.48x = 792,176.13 × 348,553.80
  4. Step 4: Simplify right side
    529,015.48x = 276,116,000,380.79
  5. Step 5: Solve for x
    x = 276,116,000,380.79/529,015.48
  6. Step 6: Final answer
    x = 521,943.14

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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.