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Finding the Fourth Proportional to 298,779.68, 412,305.48 and 167,953.34

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Solution

The fourth proportional to 298,779.68, 412,305.48 and 167,953.34 is: 231,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,779.68 : 412,305.48 = 167,953.34 : x
  2. Step 2: Convert to fraction form
    298,779.68/412,305.48 = 167,953.34/x
  3. Step 3: Cross multiply
    298,779.68x = 412,305.48 × 167,953.34
  4. Step 4: Simplify right side
    298,779.68x = 69,248,080,404.78
  5. Step 5: Solve for x
    x = 69,248,080,404.78/298,779.68
  6. Step 6: Final answer
    x = 231,769.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.