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Finding the Fourth Proportional to 313,118.82, 432,144.69 and 175,350.21

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Solution

The fourth proportional to 313,118.82, 432,144.69 and 175,350.21 is: 242,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,118.82 : 432,144.69 = 175,350.21 : x
  2. Step 2: Convert to fraction form
    313,118.82/432,144.69 = 175,350.21/x
  3. Step 3: Cross multiply
    313,118.82x = 432,144.69 × 175,350.21
  4. Step 4: Simplify right side
    313,118.82x = 75,776,662,141.88
  5. Step 5: Solve for x
    x = 75,776,662,141.88/313,118.82
  6. Step 6: Final answer
    x = 242,006.09

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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.