Home / 348,404.20-521,828.70-269,261.80

Finding the Fourth Proportional to 348,404.20, 521,828.70 and 269,261.80

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Solution

The fourth proportional to 348,404.20, 521,828.70 and 269,261.80 is: 403,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,404.20 : 521,828.70 = 269,261.80 : x
  2. Step 2: Convert to fraction form
    348,404.20/521,828.70 = 269,261.80/x
  3. Step 3: Cross multiply
    348,404.20x = 521,828.70 × 269,261.80
  4. Step 4: Simplify right side
    348,404.20x = 140,508,535,053.66
  5. Step 5: Solve for x
    x = 140,508,535,053.66/348,404.20
  6. Step 6: Final answer
    x = 403,291.74

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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.