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Finding the Fourth Proportional to 386,576.48, 533,481.48 and 233,593.28

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Solution

The fourth proportional to 386,576.48, 533,481.48 and 233,593.28 is: 322,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,576.48 : 533,481.48 = 233,593.28 : x
  2. Step 2: Convert to fraction form
    386,576.48/533,481.48 = 233,593.28/x
  3. Step 3: Cross multiply
    386,576.48x = 533,481.48 × 233,593.28
  4. Step 4: Simplify right side
    386,576.48x = 124,617,688,732.45
  5. Step 5: Solve for x
    x = 124,617,688,732.45/386,576.48
  6. Step 6: Final answer
    x = 322,362.31

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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.