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Finding the Fourth Proportional to 587,359.98, 810,507.26 and 325,722.80

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Solution

The fourth proportional to 587,359.98, 810,507.26 and 325,722.80 is: 449,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,359.98 : 810,507.26 = 325,722.80 : x
  2. Step 2: Convert to fraction form
    587,359.98/810,507.26 = 325,722.80/x
  3. Step 3: Cross multiply
    587,359.98x = 810,507.26 × 325,722.80
  4. Step 4: Simplify right side
    587,359.98x = 264,000,696,988.10
  5. Step 5: Solve for x
    x = 264,000,696,988.10/587,359.98
  6. Step 6: Final answer
    x = 449,470.01

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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.