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Finding the Fourth Proportional to 323,511, 446,450.04 and 187,555.20

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Solution

The fourth proportional to 323,511, 446,450.04 and 187,555.20 is: 258,828.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,511 : 446,450.04 = 187,555.20 : x
  2. Step 2: Convert to fraction form
    323,511/446,450.04 = 187,555.20/x
  3. Step 3: Cross multiply
    323,511x = 446,450.04 × 187,555.20
  4. Step 4: Simplify right side
    323,511x = 83,734,026,542.21
  5. Step 5: Solve for x
    x = 83,734,026,542.21/323,511
  6. Step 6: Final answer
    x = 258,828.99

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1.5x scale

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.