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Finding the Fourth Proportional to 349,395.29, 482,249.99 and 325,756.25

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Solution

The fourth proportional to 349,395.29, 482,249.99 and 325,756.25 is: 449,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,395.29 : 482,249.99 = 325,756.25 : x
  2. Step 2: Convert to fraction form
    349,395.29/482,249.99 = 325,756.25/x
  3. Step 3: Cross multiply
    349,395.29x = 482,249.99 × 325,756.25
  4. Step 4: Simplify right side
    349,395.29x = 157,095,946,708.08
  5. Step 5: Solve for x
    x = 157,095,946,708.08/349,395.29
  6. Step 6: Final answer
    x = 449,622.40

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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.