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Finding the Fourth Proportional to 313,493.16, 432,620.46 and 170,253.24

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Solution

The fourth proportional to 313,493.16, 432,620.46 and 170,253.24 is: 234,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,493.16 : 432,620.46 = 170,253.24 : x
  2. Step 2: Convert to fraction form
    313,493.16/432,620.46 = 170,253.24/x
  3. Step 3: Cross multiply
    313,493.16x = 432,620.46 × 170,253.24
  4. Step 4: Simplify right side
    313,493.16x = 73,655,035,005.29
  5. Step 5: Solve for x
    x = 73,655,035,005.29/313,493.16
  6. Step 6: Final answer
    x = 234,949.42

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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.