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Finding the Fourth Proportional to 475,581.86, 713,165.34 and 179,886.50

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Solution

The fourth proportional to 475,581.86, 713,165.34 and 179,886.50 is: 269,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,581.86 : 713,165.34 = 179,886.50 : x
  2. Step 2: Convert to fraction form
    475,581.86/713,165.34 = 179,886.50/x
  3. Step 3: Cross multiply
    475,581.86x = 713,165.34 × 179,886.50
  4. Step 4: Simplify right side
    475,581.86x = 128,288,816,933.91
  5. Step 5: Solve for x
    x = 128,288,816,933.91/475,581.86
  6. Step 6: Final answer
    x = 269,751.28

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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.