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Finding the Fourth Proportional to 342,687.24, 473,157.88 and 275,076.14

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Solution

The fourth proportional to 342,687.24, 473,157.88 and 275,076.14 is: 379,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,687.24 : 473,157.88 = 275,076.14 : x
  2. Step 2: Convert to fraction form
    342,687.24/473,157.88 = 275,076.14/x
  3. Step 3: Cross multiply
    342,687.24x = 473,157.88 × 275,076.14
  4. Step 4: Simplify right side
    342,687.24x = 130,154,440,187.50
  5. Step 5: Solve for x
    x = 130,154,440,187.50/342,687.24
  6. Step 6: Final answer
    x = 379,805.33

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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.