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Finding the Fourth Proportional to 526,369.86, 726,381.36 and 296,927.64

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Solution

The fourth proportional to 526,369.86, 726,381.36 and 296,927.64 is: 409,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,369.86 : 726,381.36 = 296,927.64 : x
  2. Step 2: Convert to fraction form
    526,369.86/726,381.36 = 296,927.64/x
  3. Step 3: Cross multiply
    526,369.86x = 726,381.36 × 296,927.64
  4. Step 4: Simplify right side
    526,369.86x = 215,682,702,964.79
  5. Step 5: Solve for x
    x = 215,682,702,964.79/526,369.86
  6. Step 6: Final answer
    x = 409,755.04

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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.