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Finding the Fourth Proportional to 479,030.38, 718,661.01 and 179,513.57

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Solution

The fourth proportional to 479,030.38, 718,661.01 and 179,513.57 is: 269,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,030.38 : 718,661.01 = 179,513.57 : x
  2. Step 2: Convert to fraction form
    479,030.38/718,661.01 = 179,513.57/x
  3. Step 3: Cross multiply
    479,030.38x = 718,661.01 × 179,513.57
  4. Step 4: Simplify right side
    479,030.38x = 129,009,403,524.91
  5. Step 5: Solve for x
    x = 129,009,403,524.91/479,030.38
  6. Step 6: Final answer
    x = 269,313.62

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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.