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Finding the Fourth Proportional to 618,770.34, 928,164.15 and 175,538.34

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Solution

The fourth proportional to 618,770.34, 928,164.15 and 175,538.34 is: 263,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,770.34 : 928,164.15 = 175,538.34 : x
  2. Step 2: Convert to fraction form
    618,770.34/928,164.15 = 175,538.34/x
  3. Step 3: Cross multiply
    618,770.34x = 928,164.15 × 175,538.34
  4. Step 4: Simplify right side
    618,770.34x = 162,928,394,138.51
  5. Step 5: Solve for x
    x = 162,928,394,138.51/618,770.34
  6. Step 6: Final answer
    x = 263,309.96

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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.