Home / 347,975.20-521,962.80-237,383.20

Finding the Fourth Proportional to 347,975.20, 521,962.80 and 237,383.20

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Solution

The fourth proportional to 347,975.20, 521,962.80 and 237,383.20 is: 356,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,975.20 : 521,962.80 = 237,383.20 : x
  2. Step 2: Convert to fraction form
    347,975.20/521,962.80 = 237,383.20/x
  3. Step 3: Cross multiply
    347,975.20x = 521,962.80 × 237,383.20
  4. Step 4: Simplify right side
    347,975.20x = 123,905,199,744.96
  5. Step 5: Solve for x
    x = 123,905,199,744.96/347,975.20
  6. Step 6: Final answer
    x = 356,074.80

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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.