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Finding the Fourth Proportional to 483,376.69, 667,041.28 and 268,530.26

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Solution

The fourth proportional to 483,376.69, 667,041.28 and 268,530.26 is: 370,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,376.69 : 667,041.28 = 268,530.26 : x
  2. Step 2: Convert to fraction form
    483,376.69/667,041.28 = 268,530.26/x
  3. Step 3: Cross multiply
    483,376.69x = 667,041.28 × 268,530.26
  4. Step 4: Simplify right side
    483,376.69x = 179,120,768,349.13
  5. Step 5: Solve for x
    x = 179,120,768,349.13/483,376.69
  6. Step 6: Final answer
    x = 370,561.45

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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.