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Finding the Fourth Proportional to 436,443.30, 653,813.91 and 246,328.62

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Solution

The fourth proportional to 436,443.30, 653,813.91 and 246,328.62 is: 369,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,443.30 : 653,813.91 = 246,328.62 : x
  2. Step 2: Convert to fraction form
    436,443.30/653,813.91 = 246,328.62/x
  3. Step 3: Cross multiply
    436,443.30x = 653,813.91 × 246,328.62
  4. Step 4: Simplify right side
    436,443.30x = 161,053,078,187.10
  5. Step 5: Solve for x
    x = 161,053,078,187.10/436,443.30
  6. Step 6: Final answer
    x = 369,012.60

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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.