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Finding the Fourth Proportional to 425,495.36, 587,166.30 and 231,898.96

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Solution

The fourth proportional to 425,495.36, 587,166.30 and 231,898.96 is: 320,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,495.36 : 587,166.30 = 231,898.96 : x
  2. Step 2: Convert to fraction form
    425,495.36/587,166.30 = 231,898.96/x
  3. Step 3: Cross multiply
    425,495.36x = 587,166.30 × 231,898.96
  4. Step 4: Simplify right side
    425,495.36x = 136,163,254,317.05
  5. Step 5: Solve for x
    x = 136,163,254,317.05/425,495.36
  6. Step 6: Final answer
    x = 320,011.14

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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.