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Finding the Fourth Proportional to 471,243.08, 650,308.30 and 256,378.23

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Solution

The fourth proportional to 471,243.08, 650,308.30 and 256,378.23 is: 353,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,243.08 : 650,308.30 = 256,378.23 : x
  2. Step 2: Convert to fraction form
    471,243.08/650,308.30 = 256,378.23/x
  3. Step 3: Cross multiply
    471,243.08x = 650,308.30 × 256,378.23
  4. Step 4: Simplify right side
    471,243.08x = 166,724,890,267.36
  5. Step 5: Solve for x
    x = 166,724,890,267.36/471,243.08
  6. Step 6: Final answer
    x = 353,798.06

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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.