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Finding the Fourth Proportional to 300,668.04, 414,916.92 and 164,700.72

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Solution

The fourth proportional to 300,668.04, 414,916.92 and 164,700.72 is: 227,284.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,668.04 : 414,916.92 = 164,700.72 : x
  2. Step 2: Convert to fraction form
    300,668.04/414,916.92 = 164,700.72/x
  3. Step 3: Cross multiply
    300,668.04x = 414,916.92 × 164,700.72
  4. Step 4: Simplify right side
    300,668.04x = 68,337,115,464.18
  5. Step 5: Solve for x
    x = 68,337,115,464.18/300,668.04
  6. Step 6: Final answer
    x = 227,284.27

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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.