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Finding the Fourth Proportional to 479,017.68, 718,526.46 and 268,672.02

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Solution

The fourth proportional to 479,017.68, 718,526.46 and 268,672.02 is: 403,008.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,017.68 : 718,526.46 = 268,672.02 : x
  2. Step 2: Convert to fraction form
    479,017.68/718,526.46 = 268,672.02/x
  3. Step 3: Cross multiply
    479,017.68x = 718,526.46 × 268,672.02
  4. Step 4: Simplify right side
    479,017.68x = 193,047,955,431.65
  5. Step 5: Solve for x
    x = 193,047,955,431.65/479,017.68
  6. Step 6: Final answer
    x = 403,008.00

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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.