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Finding the Fourth Proportional to 571,258.72, 856,588.56 and 197,192.80

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Solution

The fourth proportional to 571,258.72, 856,588.56 and 197,192.80 is: 295,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,258.72 : 856,588.56 = 197,192.80 : x
  2. Step 2: Convert to fraction form
    571,258.72/856,588.56 = 197,192.80/x
  3. Step 3: Cross multiply
    571,258.72x = 856,588.56 × 197,192.80
  4. Step 4: Simplify right side
    571,258.72x = 168,913,096,594.37
  5. Step 5: Solve for x
    x = 168,913,096,594.37/571,258.72
  6. Step 6: Final answer
    x = 295,685.81

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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.