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Finding the Fourth Proportional to 351,484.40, 527,226.60 and 85,244.49

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Solution

The fourth proportional to 351,484.40, 527,226.60 and 85,244.49 is: 127,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,484.40 : 527,226.60 = 85,244.49 : x
  2. Step 2: Convert to fraction form
    351,484.40/527,226.60 = 85,244.49/x
  3. Step 3: Cross multiply
    351,484.40x = 527,226.60 × 85,244.49
  4. Step 4: Simplify right side
    351,484.40x = 44,943,162,631.43
  5. Step 5: Solve for x
    x = 44,943,162,631.43/351,484.40
  6. Step 6: Final answer
    x = 127,866.74

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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.