Home / 352,493.37-528,721.43-217,583.01

Finding the Fourth Proportional to 352,493.37, 528,721.43 and 217,583.01

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Solution

The fourth proportional to 352,493.37, 528,721.43 and 217,583.01 is: 326,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,493.37 : 528,721.43 = 217,583.01 : x
  2. Step 2: Convert to fraction form
    352,493.37/528,721.43 = 217,583.01/x
  3. Step 3: Cross multiply
    352,493.37x = 528,721.43 × 217,583.01
  4. Step 4: Simplify right side
    352,493.37x = 115,040,799,102.99
  5. Step 5: Solve for x
    x = 115,040,799,102.99/352,493.37
  6. Step 6: Final answer
    x = 326,363.02

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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.