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Finding the Fourth Proportional to 284,077.96, 392,169.51 and 176,682.61

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Solution

The fourth proportional to 284,077.96, 392,169.51 and 176,682.61 is: 243,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,077.96 : 392,169.51 = 176,682.61 : x
  2. Step 2: Convert to fraction form
    284,077.96/392,169.51 = 176,682.61/x
  3. Step 3: Cross multiply
    284,077.96x = 392,169.51 × 176,682.61
  4. Step 4: Simplify right side
    284,077.96x = 69,289,532,589.22
  5. Step 5: Solve for x
    x = 69,289,532,589.22/284,077.96
  6. Step 6: Final answer
    x = 243,910.27

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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.