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Finding the Fourth Proportional to 313,370.96, 432,461.84 and 177,402.43

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Solution

The fourth proportional to 313,370.96, 432,461.84 and 177,402.43 is: 244,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,370.96 : 432,461.84 = 177,402.43 : x
  2. Step 2: Convert to fraction form
    313,370.96/432,461.84 = 177,402.43/x
  3. Step 3: Cross multiply
    313,370.96x = 432,461.84 × 177,402.43
  4. Step 4: Simplify right side
    313,370.96x = 76,719,780,951.84
  5. Step 5: Solve for x
    x = 76,719,780,951.84/313,370.96
  6. Step 6: Final answer
    x = 244,820.97

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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.