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Finding the Fourth Proportional to 293,525.30, 405,267.09 and 217,061.30

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Solution

The fourth proportional to 293,525.30, 405,267.09 and 217,061.30 is: 299,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,525.30 : 405,267.09 = 217,061.30 : x
  2. Step 2: Convert to fraction form
    293,525.30/405,267.09 = 217,061.30/x
  3. Step 3: Cross multiply
    293,525.30x = 405,267.09 × 217,061.30
  4. Step 4: Simplify right side
    293,525.30x = 87,967,801,402.62
  5. Step 5: Solve for x
    x = 87,967,801,402.62/293,525.30
  6. Step 6: Final answer
    x = 299,694.10

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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.