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Finding the Fourth Proportional to 669,141.64, 923,439.22 and 367,358.60

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Solution

The fourth proportional to 669,141.64, 923,439.22 and 367,358.60 is: 506,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,141.64 : 923,439.22 = 367,358.60 : x
  2. Step 2: Convert to fraction form
    669,141.64/923,439.22 = 367,358.60/x
  3. Step 3: Cross multiply
    669,141.64x = 923,439.22 × 367,358.60
  4. Step 4: Simplify right side
    669,141.64x = 339,233,339,044.29
  5. Step 5: Solve for x
    x = 339,233,339,044.29/669,141.64
  6. Step 6: Final answer
    x = 506,967.91

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1.5x scale

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.