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Finding the Fourth Proportional to 425,172.33, 586,764.41 and 234,185.67

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Solution

The fourth proportional to 425,172.33, 586,764.41 and 234,185.67 is: 323,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,172.33 : 586,764.41 = 234,185.67 : x
  2. Step 2: Convert to fraction form
    425,172.33/586,764.41 = 234,185.67/x
  3. Step 3: Cross multiply
    425,172.33x = 586,764.41 × 234,185.67
  4. Step 4: Simplify right side
    425,172.33x = 137,411,815,317.08
  5. Step 5: Solve for x
    x = 137,411,815,317.08/425,172.33
  6. Step 6: Final answer
    x = 323,190.87

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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.