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Finding the Fourth Proportional to 328,169, 452,873.40 and 177,266

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Solution

The fourth proportional to 328,169, 452,873.40 and 177,266 is: 244,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,169 : 452,873.40 = 177,266 : x
  2. Step 2: Convert to fraction form
    328,169/452,873.40 = 177,266/x
  3. Step 3: Cross multiply
    328,169x = 452,873.40 × 177,266
  4. Step 4: Simplify right side
    328,169x = 80,279,056,124.40
  5. Step 5: Solve for x
    x = 80,279,056,124.40/328,169
  6. Step 6: Final answer
    x = 244,627.18

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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.