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Finding the Fourth Proportional to 351,672.74, 526,002.03 and 326,146.40

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Solution

The fourth proportional to 351,672.74, 526,002.03 and 326,146.40 is: 487,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,672.74 : 526,002.03 = 326,146.40 : x
  2. Step 2: Convert to fraction form
    351,672.74/526,002.03 = 326,146.40/x
  3. Step 3: Cross multiply
    351,672.74x = 526,002.03 × 326,146.40
  4. Step 4: Simplify right side
    351,672.74x = 171,553,665,847.18
  5. Step 5: Solve for x
    x = 171,553,665,847.18/351,672.74
  6. Step 6: Final answer
    x = 487,821.91

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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.