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Finding the Fourth Proportional to 571,007.99, 856,512.61 and 171,648.72

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Solution

The fourth proportional to 571,007.99, 856,512.61 and 171,648.72 is: 257,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,007.99 : 856,512.61 = 171,648.72 : x
  2. Step 2: Convert to fraction form
    571,007.99/856,512.61 = 171,648.72/x
  3. Step 3: Cross multiply
    571,007.99x = 856,512.61 × 171,648.72
  4. Step 4: Simplify right side
    571,007.99x = 147,019,293,170.36
  5. Step 5: Solve for x
    x = 147,019,293,170.36/571,007.99
  6. Step 6: Final answer
    x = 257,473.27

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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.