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Finding the Fourth Proportional to 548,212.16, 756,491.04 and 333,322.40

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Solution

The fourth proportional to 548,212.16, 756,491.04 and 333,322.40 is: 459,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,212.16 : 756,491.04 = 333,322.40 : x
  2. Step 2: Convert to fraction form
    548,212.16/756,491.04 = 333,322.40/x
  3. Step 3: Cross multiply
    548,212.16x = 756,491.04 × 333,322.40
  4. Step 4: Simplify right side
    548,212.16x = 252,155,409,031.30
  5. Step 5: Solve for x
    x = 252,155,409,031.30/548,212.16
  6. Step 6: Final answer
    x = 459,959.53

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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.