Home / 352,037.20-528,055.80-331,301.20

Finding the Fourth Proportional to 352,037.20, 528,055.80 and 331,301.20

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Solution

The fourth proportional to 352,037.20, 528,055.80 and 331,301.20 is: 496,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,037.20 : 528,055.80 = 331,301.20 : x
  2. Step 2: Convert to fraction form
    352,037.20/528,055.80 = 331,301.20/x
  3. Step 3: Cross multiply
    352,037.20x = 528,055.80 × 331,301.20
  4. Step 4: Simplify right side
    352,037.20x = 174,945,520,206.96
  5. Step 5: Solve for x
    x = 174,945,520,206.96/352,037.20
  6. Step 6: Final answer
    x = 496,951.80

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1.5x scale

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.