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Finding the Fourth Proportional to 277,912.48, 383,526.28 and 170,541.84

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Solution

The fourth proportional to 277,912.48, 383,526.28 and 170,541.84 is: 235,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,912.48 : 383,526.28 = 170,541.84 : x
  2. Step 2: Convert to fraction form
    277,912.48/383,526.28 = 170,541.84/x
  3. Step 3: Cross multiply
    277,912.48x = 383,526.28 × 170,541.84
  4. Step 4: Simplify right side
    277,912.48x = 65,407,277,479.56
  5. Step 5: Solve for x
    x = 65,407,277,479.56/277,912.48
  6. Step 6: Final answer
    x = 235,352.07

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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.