Home / 352,039.20-528,058.80-331,303.20

Finding the Fourth Proportional to 352,039.20, 528,058.80 and 331,303.20

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Solution

The fourth proportional to 352,039.20, 528,058.80 and 331,303.20 is: 496,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,039.20 : 528,058.80 = 331,303.20 : x
  2. Step 2: Convert to fraction form
    352,039.20/528,058.80 = 331,303.20/x
  3. Step 3: Cross multiply
    352,039.20x = 528,058.80 × 331,303.20
  4. Step 4: Simplify right side
    352,039.20x = 174,947,570,228.16
  5. Step 5: Solve for x
    x = 174,947,570,228.16/352,039.20
  6. Step 6: Final answer
    x = 496,954.80

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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.