Home / 352,815.29-528,533.96-281,885.48

Finding the Fourth Proportional to 352,815.29, 528,533.96 and 281,885.48

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Solution

The fourth proportional to 352,815.29, 528,533.96 and 281,885.48 is: 422,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,815.29 : 528,533.96 = 281,885.48 : x
  2. Step 2: Convert to fraction form
    352,815.29/528,533.96 = 281,885.48/x
  3. Step 3: Cross multiply
    352,815.29x = 528,533.96 × 281,885.48
  4. Step 4: Simplify right side
    352,815.29x = 148,986,044,958.80
  5. Step 5: Solve for x
    x = 148,986,044,958.80/352,815.29
  6. Step 6: Final answer
    x = 422,277.75

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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.