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Finding the Fourth Proportional to 669,467.54, 923,871.76 and 367,661.54

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Solution

The fourth proportional to 669,467.54, 923,871.76 and 367,661.54 is: 507,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,467.54 : 923,871.76 = 367,661.54 : x
  2. Step 2: Convert to fraction form
    669,467.54/923,871.76 = 367,661.54/x
  3. Step 3: Cross multiply
    669,467.54x = 923,871.76 × 367,661.54
  4. Step 4: Simplify right side
    669,467.54x = 339,672,114,044.11
  5. Step 5: Solve for x
    x = 339,672,114,044.11/669,467.54
  6. Step 6: Final answer
    x = 507,376.52

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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.