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Finding the Fourth Proportional to 618,828.56, 928,243.56 and 169,553.24

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Solution

The fourth proportional to 618,828.56, 928,243.56 and 169,553.24 is: 254,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,828.56 : 928,243.56 = 169,553.24 : x
  2. Step 2: Convert to fraction form
    618,828.56/928,243.56 = 169,553.24/x
  3. Step 3: Cross multiply
    618,828.56x = 928,243.56 × 169,553.24
  4. Step 4: Simplify right side
    618,828.56x = 157,386,703,107.13
  5. Step 5: Solve for x
    x = 157,386,703,107.13/618,828.56
  6. Step 6: Final answer
    x = 254,330.06

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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.