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Finding the Fourth Proportional to 587,621.28, 810,900.48 and 333,054.72

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Solution

The fourth proportional to 587,621.28, 810,900.48 and 333,054.72 is: 459,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,621.28 : 810,900.48 = 333,054.72 : x
  2. Step 2: Convert to fraction form
    587,621.28/810,900.48 = 333,054.72/x
  3. Step 3: Cross multiply
    587,621.28x = 810,900.48 × 333,054.72
  4. Step 4: Simplify right side
    587,621.28x = 270,074,232,314.27
  5. Step 5: Solve for x
    x = 270,074,232,314.27/587,621.28
  6. Step 6: Final answer
    x = 459,605.94

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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.