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Finding the Fourth Proportional to 325,705.73, 449,473.95 and 180,520.88

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Solution

The fourth proportional to 325,705.73, 449,473.95 and 180,520.88 is: 249,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,705.73 : 449,473.95 = 180,520.88 : x
  2. Step 2: Convert to fraction form
    325,705.73/449,473.95 = 180,520.88/x
  3. Step 3: Cross multiply
    325,705.73x = 449,473.95 × 180,520.88
  4. Step 4: Simplify right side
    325,705.73x = 81,139,433,437.81
  5. Step 5: Solve for x
    x = 81,139,433,437.81/325,705.73
  6. Step 6: Final answer
    x = 249,118.84

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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.