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Finding the Fourth Proportional to 313,294.44, 432,354.82 and 170,054.76

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Solution

The fourth proportional to 313,294.44, 432,354.82 and 170,054.76 is: 234,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,294.44 : 432,354.82 = 170,054.76 : x
  2. Step 2: Convert to fraction form
    313,294.44/432,354.82 = 170,054.76/x
  3. Step 3: Cross multiply
    313,294.44x = 432,354.82 × 170,054.76
  4. Step 4: Simplify right side
    313,294.44x = 73,523,995,149.94
  5. Step 5: Solve for x
    x = 73,523,995,149.94/313,294.44
  6. Step 6: Final answer
    x = 234,680.18

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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.