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Finding the Fourth Proportional to 317,561.76, 475,719.83 and 184,161.76

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Solution

The fourth proportional to 317,561.76, 475,719.83 and 184,161.76 is: 275,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,561.76 : 475,719.83 = 184,161.76 : x
  2. Step 2: Convert to fraction form
    317,561.76/475,719.83 = 184,161.76/x
  3. Step 3: Cross multiply
    317,561.76x = 475,719.83 × 184,161.76
  4. Step 4: Simplify right side
    317,561.76x = 87,609,399,740.20
  5. Step 5: Solve for x
    x = 87,609,399,740.20/317,561.76
  6. Step 6: Final answer
    x = 275,881.45

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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.