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Finding the Fourth Proportional to 328,190.64, 452,903.48 and 177,287.64

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Solution

The fourth proportional to 328,190.64, 452,903.48 and 177,287.64 is: 244,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,190.64 : 452,903.48 = 177,287.64 : x
  2. Step 2: Convert to fraction form
    328,190.64/452,903.48 = 177,287.64/x
  3. Step 3: Cross multiply
    328,190.64x = 452,903.48 × 177,287.64
  4. Step 4: Simplify right side
    328,190.64x = 80,294,189,116.99
  5. Step 5: Solve for x
    x = 80,294,189,116.99/328,190.64
  6. Step 6: Final answer
    x = 244,657.16

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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.