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Finding the Fourth Proportional to 471,186.40, 650,243.28 and 256,332.28

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Solution

The fourth proportional to 471,186.40, 650,243.28 and 256,332.28 is: 353,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,186.40 : 650,243.28 = 256,332.28 : x
  2. Step 2: Convert to fraction form
    471,186.40/650,243.28 = 256,332.28/x
  3. Step 3: Cross multiply
    471,186.40x = 650,243.28 × 256,332.28
  4. Step 4: Simplify right side
    471,186.40x = 166,678,342,517.08
  5. Step 5: Solve for x
    x = 166,678,342,517.08/471,186.40
  6. Step 6: Final answer
    x = 353,741.84

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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.