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Finding the Fourth Proportional to 273,313.28, 377,347.93 and 171,478.46

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Solution

The fourth proportional to 273,313.28, 377,347.93 and 171,478.46 is: 236,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,313.28 : 377,347.93 = 171,478.46 : x
  2. Step 2: Convert to fraction form
    273,313.28/377,347.93 = 171,478.46/x
  3. Step 3: Cross multiply
    273,313.28x = 377,347.93 × 171,478.46
  4. Step 4: Simplify right side
    273,313.28x = 64,707,039,605.15
  5. Step 5: Solve for x
    x = 64,707,039,605.15/273,313.28
  6. Step 6: Final answer
    x = 236,750.45

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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.