Home / 352,025.80-528,038.70-331,289.80

Finding the Fourth Proportional to 352,025.80, 528,038.70 and 331,289.80

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Solution

The fourth proportional to 352,025.80, 528,038.70 and 331,289.80 is: 496,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,025.80 : 528,038.70 = 331,289.80 : x
  2. Step 2: Convert to fraction form
    352,025.80/528,038.70 = 331,289.80/x
  3. Step 3: Cross multiply
    352,025.80x = 528,038.70 × 331,289.80
  4. Step 4: Simplify right side
    352,025.80x = 174,933,835,315.26
  5. Step 5: Solve for x
    x = 174,933,835,315.26/352,025.80
  6. Step 6: Final answer
    x = 496,934.70

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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.