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Finding the Fourth Proportional to 316,496.26, 436,799.94 and 180,563.73

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Solution

The fourth proportional to 316,496.26, 436,799.94 and 180,563.73 is: 249,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,496.26 : 436,799.94 = 180,563.73 : x
  2. Step 2: Convert to fraction form
    316,496.26/436,799.94 = 180,563.73/x
  3. Step 3: Cross multiply
    316,496.26x = 436,799.94 × 180,563.73
  4. Step 4: Simplify right side
    316,496.26x = 78,870,227,587.73
  5. Step 5: Solve for x
    x = 78,870,227,587.73/316,496.26
  6. Step 6: Final answer
    x = 249,197.98

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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.