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Finding the Fourth Proportional to 496,873.45, 745,322.37 and 181,330.30

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Solution

The fourth proportional to 496,873.45, 745,322.37 and 181,330.30 is: 271,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,873.45 : 745,322.37 = 181,330.30 : x
  2. Step 2: Convert to fraction form
    496,873.45/745,322.37 = 181,330.30/x
  3. Step 3: Cross multiply
    496,873.45x = 745,322.37 × 181,330.30
  4. Step 4: Simplify right side
    496,873.45x = 135,149,528,948.81
  5. Step 5: Solve for x
    x = 135,149,528,948.81/496,873.45
  6. Step 6: Final answer
    x = 271,999.90

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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.