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Finding the Fourth Proportional to 313,204.59, 432,223.46 and 169,964.60

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Solution

The fourth proportional to 313,204.59, 432,223.46 and 169,964.60 is: 234,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,204.59 : 432,223.46 = 169,964.60 : x
  2. Step 2: Convert to fraction form
    313,204.59/432,223.46 = 169,964.60/x
  3. Step 3: Cross multiply
    313,204.59x = 432,223.46 × 169,964.60
  4. Step 4: Simplify right side
    313,204.59x = 73,462,685,115.94
  5. Step 5: Solve for x
    x = 73,462,685,115.94/313,204.59
  6. Step 6: Final answer
    x = 234,551.75

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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.