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Finding the Fourth Proportional to 245,231.90, 367,361.85 and 216,007.10

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Solution

The fourth proportional to 245,231.90, 367,361.85 and 216,007.10 is: 323,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,231.90 : 367,361.85 = 216,007.10 : x
  2. Step 2: Convert to fraction form
    245,231.90/367,361.85 = 216,007.10/x
  3. Step 3: Cross multiply
    245,231.90x = 367,361.85 × 216,007.10
  4. Step 4: Simplify right side
    245,231.90x = 79,352,767,869.14
  5. Step 5: Solve for x
    x = 79,352,767,869.14/245,231.90
  6. Step 6: Final answer
    x = 323,582.57

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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.