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Finding the Fourth Proportional to 375,956.80, 563,709.96 and 119,678.65

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Solution

The fourth proportional to 375,956.80, 563,709.96 and 119,678.65 is: 179,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,956.80 : 563,709.96 = 119,678.65 : x
  2. Step 2: Convert to fraction form
    375,956.80/563,709.96 = 119,678.65/x
  3. Step 3: Cross multiply
    375,956.80x = 563,709.96 × 119,678.65
  4. Step 4: Simplify right side
    375,956.80x = 67,464,047,004.35
  5. Step 5: Solve for x
    x = 67,464,047,004.35/375,956.80
  6. Step 6: Final answer
    x = 179,446.27

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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.