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Finding the Fourth Proportional to 313,266.93, 432,308.73 and 170,027

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Solution

The fourth proportional to 313,266.93, 432,308.73 and 170,027 is: 234,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,266.93 : 432,308.73 = 170,027 : x
  2. Step 2: Convert to fraction form
    313,266.93/432,308.73 = 170,027/x
  3. Step 3: Cross multiply
    313,266.93x = 432,308.73 × 170,027
  4. Step 4: Simplify right side
    313,266.93x = 73,504,156,435.71
  5. Step 5: Solve for x
    x = 73,504,156,435.71/313,266.93
  6. Step 6: Final answer
    x = 234,637.46

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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.