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Finding the Fourth Proportional to 275,476.60, 413,457.90 and 163,016.20

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Solution

The fourth proportional to 275,476.60, 413,457.90 and 163,016.20 is: 244,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,476.60 : 413,457.90 = 163,016.20 : x
  2. Step 2: Convert to fraction form
    275,476.60/413,457.90 = 163,016.20/x
  3. Step 3: Cross multiply
    275,476.60x = 413,457.90 × 163,016.20
  4. Step 4: Simplify right side
    275,476.60x = 67,400,335,717.98
  5. Step 5: Solve for x
    x = 67,400,335,717.98/275,476.60
  6. Step 6: Final answer
    x = 244,668.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.