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Finding the Fourth Proportional to 548,355.84, 756,790.40 and 322,033.92

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Solution

The fourth proportional to 548,355.84, 756,790.40 and 322,033.92 is: 444,441.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,355.84 : 756,790.40 = 322,033.92 : x
  2. Step 2: Convert to fraction form
    548,355.84/756,790.40 = 322,033.92/x
  3. Step 3: Cross multiply
    548,355.84x = 756,790.40 × 322,033.92
  4. Step 4: Simplify right side
    548,355.84x = 243,712,179,130.37
  5. Step 5: Solve for x
    x = 243,712,179,130.37/548,355.84
  6. Step 6: Final answer
    x = 444,441.66

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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.