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Finding the Fourth Proportional to 251,990.40, 377,985.60 and 232,744.80

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Solution

The fourth proportional to 251,990.40, 377,985.60 and 232,744.80 is: 349,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,990.40 : 377,985.60 = 232,744.80 : x
  2. Step 2: Convert to fraction form
    251,990.40/377,985.60 = 232,744.80/x
  3. Step 3: Cross multiply
    251,990.40x = 377,985.60 × 232,744.80
  4. Step 4: Simplify right side
    251,990.40x = 87,974,182,874.88
  5. Step 5: Solve for x
    x = 87,974,182,874.88/251,990.40
  6. Step 6: Final answer
    x = 349,117.20

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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.