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Finding the Fourth Proportional to 354,505.55, 531,485.73 and 183,544.02

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Solution

The fourth proportional to 354,505.55, 531,485.73 and 183,544.02 is: 275,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,505.55 : 531,485.73 = 183,544.02 : x
  2. Step 2: Convert to fraction form
    354,505.55/531,485.73 = 183,544.02/x
  3. Step 3: Cross multiply
    354,505.55x = 531,485.73 × 183,544.02
  4. Step 4: Simplify right side
    354,505.55x = 97,551,027,456.83
  5. Step 5: Solve for x
    x = 97,551,027,456.83/354,505.55
  6. Step 6: Final answer
    x = 275,174.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.