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Finding the Fourth Proportional to 286,750.56, 395,717.85 and 179,381.64

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Solution

The fourth proportional to 286,750.56, 395,717.85 and 179,381.64 is: 247,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,750.56 : 395,717.85 = 179,381.64 : x
  2. Step 2: Convert to fraction form
    286,750.56/395,717.85 = 179,381.64/x
  3. Step 3: Cross multiply
    286,750.56x = 395,717.85 × 179,381.64
  4. Step 4: Simplify right side
    286,750.56x = 70,984,516,910.27
  5. Step 5: Solve for x
    x = 70,984,516,910.27/286,750.56
  6. Step 6: Final answer
    x = 247,547.96

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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.