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Finding the Fourth Proportional to 439,767.92, 606,880.88 and 238,563.92

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Solution

The fourth proportional to 439,767.92, 606,880.88 and 238,563.92 is: 329,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,767.92 : 606,880.88 = 238,563.92 : x
  2. Step 2: Convert to fraction form
    439,767.92/606,880.88 = 238,563.92/x
  3. Step 3: Cross multiply
    439,767.92x = 606,880.88 × 238,563.92
  4. Step 4: Simplify right side
    439,767.92x = 144,779,881,705.85
  5. Step 5: Solve for x
    x = 144,779,881,705.85/439,767.92
  6. Step 6: Final answer
    x = 329,218.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.