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Finding the Fourth Proportional to 297,639.58, 410,747.04 and 161,676.18

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Solution

The fourth proportional to 297,639.58, 410,747.04 and 161,676.18 is: 223,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,639.58 : 410,747.04 = 161,676.18 : x
  2. Step 2: Convert to fraction form
    297,639.58/410,747.04 = 161,676.18/x
  3. Step 3: Cross multiply
    297,639.58x = 410,747.04 × 161,676.18
  4. Step 4: Simplify right side
    297,639.58x = 66,408,012,373.51
  5. Step 5: Solve for x
    x = 66,408,012,373.51/297,639.58
  6. Step 6: Final answer
    x = 223,115.53

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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.