Home / 347,232.20-520,070.70-268,089.80

Finding the Fourth Proportional to 347,232.20, 520,070.70 and 268,089.80

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Solution

The fourth proportional to 347,232.20, 520,070.70 and 268,089.80 is: 401,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,232.20 : 520,070.70 = 268,089.80 : x
  2. Step 2: Convert to fraction form
    347,232.20/520,070.70 = 268,089.80/x
  3. Step 3: Cross multiply
    347,232.20x = 520,070.70 × 268,089.80
  4. Step 4: Simplify right side
    347,232.20x = 139,425,649,948.86
  5. Step 5: Solve for x
    x = 139,425,649,948.86/347,232.20
  6. Step 6: Final answer
    x = 401,534.33

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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.