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Finding the Fourth Proportional to 328,140.56, 452,834.28 and 177,237.56

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Solution

The fourth proportional to 328,140.56, 452,834.28 and 177,237.56 is: 244,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,140.56 : 452,834.28 = 177,237.56 : x
  2. Step 2: Convert to fraction form
    328,140.56/452,834.28 = 177,237.56/x
  3. Step 3: Cross multiply
    328,140.56x = 452,834.28 × 177,237.56
  4. Step 4: Simplify right side
    328,140.56x = 80,259,242,871.56
  5. Step 5: Solve for x
    x = 80,259,242,871.56/328,140.56
  6. Step 6: Final answer
    x = 244,588.00

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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.