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Finding the Fourth Proportional to 328,148.64, 452,845.11 and 177,245.64

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Solution

The fourth proportional to 328,148.64, 452,845.11 and 177,245.64 is: 244,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,148.64 : 452,845.11 = 177,245.64 : x
  2. Step 2: Convert to fraction form
    328,148.64/452,845.11 = 177,245.64/x
  3. Step 3: Cross multiply
    328,148.64x = 452,845.11 × 177,245.64
  4. Step 4: Simplify right side
    328,148.64x = 80,264,821,342.82
  5. Step 5: Solve for x
    x = 80,264,821,342.82/328,148.64
  6. Step 6: Final answer
    x = 244,598.98

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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.