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Finding the Fourth Proportional to 490,763.85, 735,828.65 and 234,491.19

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Solution

The fourth proportional to 490,763.85, 735,828.65 and 234,491.19 is: 351,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,763.85 : 735,828.65 = 234,491.19 : x
  2. Step 2: Convert to fraction form
    490,763.85/735,828.65 = 234,491.19/x
  3. Step 3: Cross multiply
    490,763.85x = 735,828.65 × 234,491.19
  4. Step 4: Simplify right side
    490,763.85x = 172,545,335,774.59
  5. Step 5: Solve for x
    x = 172,545,335,774.59/490,763.85
  6. Step 6: Final answer
    x = 351,585.26

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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.