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Finding the Fourth Proportional to 275,010.74, 412,516.43 and 75,332.84

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Solution

The fourth proportional to 275,010.74, 412,516.43 and 75,332.84 is: 112,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,010.74 : 412,516.43 = 75,332.84 : x
  2. Step 2: Convert to fraction form
    275,010.74/412,516.43 = 75,332.84/x
  3. Step 3: Cross multiply
    275,010.74x = 412,516.43 × 75,332.84
  4. Step 4: Simplify right side
    275,010.74x = 31,076,034,218.56
  5. Step 5: Solve for x
    x = 31,076,034,218.56/275,010.74
  6. Step 6: Final answer
    x = 112,999.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.