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Finding the Fourth Proportional to 624,014.20, 935,675.70 and 268,967.80

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Solution

The fourth proportional to 624,014.20, 935,675.70 and 268,967.80 is: 403,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,014.20 : 935,675.70 = 268,967.80 : x
  2. Step 2: Convert to fraction form
    624,014.20/935,675.70 = 268,967.80/x
  3. Step 3: Cross multiply
    624,014.20x = 935,675.70 × 268,967.80
  4. Step 4: Simplify right side
    624,014.20x = 251,666,634,542.46
  5. Step 5: Solve for x
    x = 251,666,634,542.46/624,014.20
  6. Step 6: Final answer
    x = 403,302.74

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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.