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Finding the Fourth Proportional to 507,586, 761,391.24 and 170,631.04

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Solution

The fourth proportional to 507,586, 761,391.24 and 170,631.04 is: 255,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,586 : 761,391.24 = 170,631.04 : x
  2. Step 2: Convert to fraction form
    507,586/761,391.24 = 170,631.04/x
  3. Step 3: Cross multiply
    507,586x = 761,391.24 × 170,631.04
  4. Step 4: Simplify right side
    507,586x = 129,916,979,128.09
  5. Step 5: Solve for x
    x = 129,916,979,128.09/507,586
  6. Step 6: Final answer
    x = 255,950.67

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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.