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Finding the Fourth Proportional to 471,668.52, 650,918.52 and 256,816.92

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Solution

The fourth proportional to 471,668.52, 650,918.52 and 256,816.92 is: 354,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,668.52 : 650,918.52 = 256,816.92 : x
  2. Step 2: Convert to fraction form
    471,668.52/650,918.52 = 256,816.92/x
  3. Step 3: Cross multiply
    471,668.52x = 650,918.52 × 256,816.92
  4. Step 4: Simplify right side
    471,668.52x = 167,166,889,477.36
  5. Step 5: Solve for x
    x = 167,166,889,477.36/471,668.52
  6. Step 6: Final answer
    x = 354,416.04

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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.