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Finding the Fourth Proportional to 351,952.47, 483,895.98 and 313,344.63

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Solution

The fourth proportional to 351,952.47, 483,895.98 and 313,344.63 is: 430,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,952.47 : 483,895.98 = 313,344.63 : x
  2. Step 2: Convert to fraction form
    351,952.47/483,895.98 = 313,344.63/x
  3. Step 3: Cross multiply
    351,952.47x = 483,895.98 × 313,344.63
  4. Step 4: Simplify right side
    351,952.47x = 151,626,206,811.59
  5. Step 5: Solve for x
    x = 151,626,206,811.59/351,952.47
  6. Step 6: Final answer
    x = 430,814.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.