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Finding the Fourth Proportional to 669,412, 923,795.04 and 367,612.48

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Solution

The fourth proportional to 669,412, 923,795.04 and 367,612.48 is: 507,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,412 : 923,795.04 = 367,612.48 : x
  2. Step 2: Convert to fraction form
    669,412/923,795.04 = 367,612.48/x
  3. Step 3: Cross multiply
    669,412x = 923,795.04 × 367,612.48
  4. Step 4: Simplify right side
    669,412x = 339,598,585,666.10
  5. Step 5: Solve for x
    x = 339,598,585,666.10/669,412
  6. Step 6: Final answer
    x = 507,308.78

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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.