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Finding the Fourth Proportional to 356,446.83, 534,670.24 and 119,789.51

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Solution

The fourth proportional to 356,446.83, 534,670.24 and 119,789.51 is: 179,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,446.83 : 534,670.24 = 119,789.51 : x
  2. Step 2: Convert to fraction form
    356,446.83/534,670.24 = 119,789.51/x
  3. Step 3: Cross multiply
    356,446.83x = 534,670.24 × 119,789.51
  4. Step 4: Simplify right side
    356,446.83x = 64,047,885,153.63
  5. Step 5: Solve for x
    x = 64,047,885,153.63/356,446.83
  6. Step 6: Final answer
    x = 179,684.26

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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.