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Finding the Fourth Proportional to 504,015.96, 756,171.60 and 149,039.20

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Solution

The fourth proportional to 504,015.96, 756,171.60 and 149,039.20 is: 223,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,015.96 : 756,171.60 = 149,039.20 : x
  2. Step 2: Convert to fraction form
    504,015.96/756,171.60 = 149,039.20/x
  3. Step 3: Cross multiply
    504,015.96x = 756,171.60 × 149,039.20
  4. Step 4: Simplify right side
    504,015.96x = 112,699,210,326.72
  5. Step 5: Solve for x
    x = 112,699,210,326.72/504,015.96
  6. Step 6: Final answer
    x = 223,602.46

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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.