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Finding the Fourth Proportional to 688,450.62, 950,058.78 and 382,576.80

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Solution

The fourth proportional to 688,450.62, 950,058.78 and 382,576.80 is: 527,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,450.62 : 950,058.78 = 382,576.80 : x
  2. Step 2: Convert to fraction form
    688,450.62/950,058.78 = 382,576.80/x
  3. Step 3: Cross multiply
    688,450.62x = 950,058.78 × 382,576.80
  4. Step 4: Simplify right side
    688,450.62x = 363,470,447,864.30
  5. Step 5: Solve for x
    x = 363,470,447,864.30/688,450.62
  6. Step 6: Final answer
    x = 527,954.27

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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.