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Finding the Fourth Proportional to 425,477.72, 587,147.73 and 234,491.06

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Solution

The fourth proportional to 425,477.72, 587,147.73 and 234,491.06 is: 323,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,477.72 : 587,147.73 = 234,491.06 : x
  2. Step 2: Convert to fraction form
    425,477.72/587,147.73 = 234,491.06/x
  3. Step 3: Cross multiply
    425,477.72x = 587,147.73 × 234,491.06
  4. Step 4: Simplify right side
    425,477.72x = 137,680,893,584.29
  5. Step 5: Solve for x
    x = 137,680,893,584.29/425,477.72
  6. Step 6: Final answer
    x = 323,591.31

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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.