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Finding the Fourth Proportional to 571,334.05, 857,009.54 and 216,252.73

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Solution

The fourth proportional to 571,334.05, 857,009.54 and 216,252.73 is: 324,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,334.05 : 857,009.54 = 216,252.73 : x
  2. Step 2: Convert to fraction form
    571,334.05/857,009.54 = 216,252.73/x
  3. Step 3: Cross multiply
    571,334.05x = 857,009.54 × 216,252.73
  4. Step 4: Simplify right side
    571,334.05x = 185,330,651,579.78
  5. Step 5: Solve for x
    x = 185,330,651,579.78/571,334.05
  6. Step 6: Final answer
    x = 324,382.30

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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.