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Finding the Fourth Proportional to 328,258.72, 452,996.94 and 177,355.72

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Solution

The fourth proportional to 328,258.72, 452,996.94 and 177,355.72 is: 244,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,258.72 : 452,996.94 = 177,355.72 : x
  2. Step 2: Convert to fraction form
    328,258.72/452,996.94 = 177,355.72/x
  3. Step 3: Cross multiply
    328,258.72x = 452,996.94 × 177,355.72
  4. Step 4: Simplify right side
    328,258.72x = 80,341,598,451.50
  5. Step 5: Solve for x
    x = 80,341,598,451.50/328,258.72
  6. Step 6: Final answer
    x = 244,750.84

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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.