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Finding the Fourth Proportional to 548,087.42, 756,482.64 and 333,182

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Solution

The fourth proportional to 548,087.42, 756,482.64 and 333,182 is: 459,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,087.42 : 756,482.64 = 333,182 : x
  2. Step 2: Convert to fraction form
    548,087.42/756,482.64 = 333,182/x
  3. Step 3: Cross multiply
    548,087.42x = 756,482.64 × 333,182
  4. Step 4: Simplify right side
    548,087.42x = 252,046,398,960.48
  5. Step 5: Solve for x
    x = 252,046,398,960.48/548,087.42
  6. Step 6: Final answer
    x = 459,865.32

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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.