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Finding the Fourth Proportional to 379,294.96, 523,477.20 and 366,832.72

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Solution

The fourth proportional to 379,294.96, 523,477.20 and 366,832.72 is: 506,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,294.96 : 523,477.20 = 366,832.72 : x
  2. Step 2: Convert to fraction form
    379,294.96/523,477.20 = 366,832.72/x
  3. Step 3: Cross multiply
    379,294.96x = 523,477.20 × 366,832.72
  4. Step 4: Simplify right side
    379,294.96x = 192,028,565,133.98
  5. Step 5: Solve for x
    x = 192,028,565,133.98/379,294.96
  6. Step 6: Final answer
    x = 506,277.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.