Home / 347,788.20-521,552.70-242,293.80

Finding the Fourth Proportional to 347,788.20, 521,552.70 and 242,293.80

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Solution

The fourth proportional to 347,788.20, 521,552.70 and 242,293.80 is: 363,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,788.20 : 521,552.70 = 242,293.80 : x
  2. Step 2: Convert to fraction form
    347,788.20/521,552.70 = 242,293.80/x
  3. Step 3: Cross multiply
    347,788.20x = 521,552.70 × 242,293.80
  4. Step 4: Simplify right side
    347,788.20x = 126,368,985,583.26
  5. Step 5: Solve for x
    x = 126,368,985,583.26/347,788.20
  6. Step 6: Final answer
    x = 363,350.41

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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.