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Finding the Fourth Proportional to 548,106.24, 756,344.72 and 333,216.48

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Solution

The fourth proportional to 548,106.24, 756,344.72 and 333,216.48 is: 459,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,106.24 : 756,344.72 = 333,216.48 : x
  2. Step 2: Convert to fraction form
    548,106.24/756,344.72 = 333,216.48/x
  3. Step 3: Cross multiply
    548,106.24x = 756,344.72 × 333,216.48
  4. Step 4: Simplify right side
    548,106.24x = 252,026,525,264.99
  5. Step 5: Solve for x
    x = 252,026,525,264.99/548,106.24
  6. Step 6: Final answer
    x = 459,813.28

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1.5x scale

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.