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Finding the Fourth Proportional to 304,506.86, 456,749.35 and 79,865.51

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Solution

The fourth proportional to 304,506.86, 456,749.35 and 79,865.51 is: 119,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,506.86 : 456,749.35 = 79,865.51 : x
  2. Step 2: Convert to fraction form
    304,506.86/456,749.35 = 79,865.51/x
  3. Step 3: Cross multiply
    304,506.86x = 456,749.35 × 79,865.51
  4. Step 4: Simplify right side
    304,506.86x = 36,478,519,458.56
  5. Step 5: Solve for x
    x = 36,478,519,458.56/304,506.86
  6. Step 6: Final answer
    x = 119,795.40

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