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Finding the Fourth Proportional to 304,779.48, 456,733.62 and 171,379.76

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Solution

The fourth proportional to 304,779.48, 456,733.62 and 171,379.76 is: 256,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,779.48 : 456,733.62 = 171,379.76 : x
  2. Step 2: Convert to fraction form
    304,779.48/456,733.62 = 171,379.76/x
  3. Step 3: Cross multiply
    304,779.48x = 456,733.62 × 171,379.76
  4. Step 4: Simplify right side
    304,779.48x = 78,274,898,179.53
  5. Step 5: Solve for x
    x = 78,274,898,179.53/304,779.48
  6. Step 6: Final answer
    x = 256,824.70

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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.