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Finding the Fourth Proportional to 313,755.96, 432,983.04 and 170,516.04

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Solution

The fourth proportional to 313,755.96, 432,983.04 and 170,516.04 is: 235,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,755.96 : 432,983.04 = 170,516.04 : x
  2. Step 2: Convert to fraction form
    313,755.96/432,983.04 = 170,516.04/x
  3. Step 3: Cross multiply
    313,755.96x = 432,983.04 × 170,516.04
  4. Step 4: Simplify right side
    313,755.96x = 73,830,553,367.96
  5. Step 5: Solve for x
    x = 73,830,553,367.96/313,755.96
  6. Step 6: Final answer
    x = 235,312.03

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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.