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Finding the Fourth Proportional to 479,017.67, 718,526.46 and 268,672.01

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Solution

The fourth proportional to 479,017.67, 718,526.46 and 268,672.01 is: 403,007.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,017.67 : 718,526.46 = 268,672.01 : x
  2. Step 2: Convert to fraction form
    479,017.67/718,526.46 = 268,672.01/x
  3. Step 3: Cross multiply
    479,017.67x = 718,526.46 × 268,672.01
  4. Step 4: Simplify right side
    479,017.67x = 193,047,948,246.39
  5. Step 5: Solve for x
    x = 193,047,948,246.39/479,017.67
  6. Step 6: Final answer
    x = 403,007.99

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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.