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Finding the Fourth Proportional to 483,392.72, 725,249.02 and 258,703.08

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Solution

The fourth proportional to 483,392.72, 725,249.02 and 258,703.08 is: 388,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,392.72 : 725,249.02 = 258,703.08 : x
  2. Step 2: Convert to fraction form
    483,392.72/725,249.02 = 258,703.08/x
  3. Step 3: Cross multiply
    483,392.72x = 725,249.02 × 258,703.08
  4. Step 4: Simplify right side
    483,392.72x = 187,624,155,240.98
  5. Step 5: Solve for x
    x = 187,624,155,240.98/483,392.72
  6. Step 6: Final answer
    x = 388,140.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.