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Finding the Fourth Proportional to 479,169.81, 718,195.82 and 360,459.45

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Solution

The fourth proportional to 479,169.81, 718,195.82 and 360,459.45 is: 540,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,169.81 : 718,195.82 = 360,459.45 : x
  2. Step 2: Convert to fraction form
    479,169.81/718,195.82 = 360,459.45/x
  3. Step 3: Cross multiply
    479,169.81x = 718,195.82 × 360,459.45
  4. Step 4: Simplify right side
    479,169.81x = 258,880,468,467.20
  5. Step 5: Solve for x
    x = 258,880,468,467.20/479,169.81
  6. Step 6: Final answer
    x = 540,268.74

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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.