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Finding the Fourth Proportional to 479,018.68, 718,527.96 and 268,673.02

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Solution

The fourth proportional to 479,018.68, 718,527.96 and 268,673.02 is: 403,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,018.68 : 718,527.96 = 268,673.02 : x
  2. Step 2: Convert to fraction form
    479,018.68/718,527.96 = 268,673.02/x
  3. Step 3: Cross multiply
    479,018.68x = 718,527.96 × 268,673.02
  4. Step 4: Simplify right side
    479,018.68x = 193,049,076,967.64
  5. Step 5: Solve for x
    x = 193,049,076,967.64/479,018.68
  6. Step 6: Final answer
    x = 403,009.50

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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.