Home / 352,280.32-528,109.44-269,543.68

Finding the Fourth Proportional to 352,280.32, 528,109.44 and 269,543.68

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Solution

The fourth proportional to 352,280.32, 528,109.44 and 269,543.68 is: 404,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,280.32 : 528,109.44 = 269,543.68 : x
  2. Step 2: Convert to fraction form
    352,280.32/528,109.44 = 269,543.68/x
  3. Step 3: Cross multiply
    352,280.32x = 528,109.44 × 269,543.68
  4. Step 4: Simplify right side
    352,280.32x = 142,348,561,900.34
  5. Step 5: Solve for x
    x = 142,348,561,900.34/352,280.32
  6. Step 6: Final answer
    x = 404,077.53

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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.