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Finding the Fourth Proportional to 569,751.96, 786,273.48 and 315,119.28

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Solution

The fourth proportional to 569,751.96, 786,273.48 and 315,119.28 is: 434,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,751.96 : 786,273.48 = 315,119.28 : x
  2. Step 2: Convert to fraction form
    569,751.96/786,273.48 = 315,119.28/x
  3. Step 3: Cross multiply
    569,751.96x = 786,273.48 × 315,119.28
  4. Step 4: Simplify right side
    569,751.96x = 247,769,932,900.69
  5. Step 5: Solve for x
    x = 247,769,932,900.69/569,751.96
  6. Step 6: Final answer
    x = 434,873.33

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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.