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Finding the Fourth Proportional to 529,331.32, 793,990.50 and 248,650.12

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Solution

The fourth proportional to 529,331.32, 793,990.50 and 248,650.12 is: 372,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,331.32 : 793,990.50 = 248,650.12 : x
  2. Step 2: Convert to fraction form
    529,331.32/793,990.50 = 248,650.12/x
  3. Step 3: Cross multiply
    529,331.32x = 793,990.50 × 248,650.12
  4. Step 4: Simplify right side
    529,331.32x = 197,425,833,103.86
  5. Step 5: Solve for x
    x = 197,425,833,103.86/529,331.32
  6. Step 6: Final answer
    x = 372,972.14

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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.