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Finding the Fourth Proportional to 479,606.57, 662,054.16 and 327,148.01

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Solution

The fourth proportional to 479,606.57, 662,054.16 and 327,148.01 is: 451,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,606.57 : 662,054.16 = 327,148.01 : x
  2. Step 2: Convert to fraction form
    479,606.57/662,054.16 = 327,148.01/x
  3. Step 3: Cross multiply
    479,606.57x = 662,054.16 × 327,148.01
  4. Step 4: Simplify right side
    479,606.57x = 216,589,700,956.22
  5. Step 5: Solve for x
    x = 216,589,700,956.22/479,606.57
  6. Step 6: Final answer
    x = 451,598.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.