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Finding the Fourth Proportional to 479,035.46, 661,055.91 and 264,171.62

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Solution

The fourth proportional to 479,035.46, 661,055.91 and 264,171.62 is: 364,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,035.46 : 661,055.91 = 264,171.62 : x
  2. Step 2: Convert to fraction form
    479,035.46/661,055.91 = 264,171.62/x
  3. Step 3: Cross multiply
    479,035.46x = 661,055.91 × 264,171.62
  4. Step 4: Simplify right side
    479,035.46x = 174,632,210,655.27
  5. Step 5: Solve for x
    x = 174,632,210,655.27/479,035.46
  6. Step 6: Final answer
    x = 364,549.65

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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.