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Finding the Fourth Proportional to 253,389.52, 380,215.44 and 183,842.88

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Solution

The fourth proportional to 253,389.52, 380,215.44 and 183,842.88 is: 275,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,389.52 : 380,215.44 = 183,842.88 : x
  2. Step 2: Convert to fraction form
    253,389.52/380,215.44 = 183,842.88/x
  3. Step 3: Cross multiply
    253,389.52x = 380,215.44 × 183,842.88
  4. Step 4: Simplify right side
    253,389.52x = 69,899,901,510.07
  5. Step 5: Solve for x
    x = 69,899,901,510.07/253,389.52
  6. Step 6: Final answer
    x = 275,859.48

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1.5x scale

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.