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Finding the Fourth Proportional to 548,254.72, 756,620.40 and 333,359.20

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Solution

The fourth proportional to 548,254.72, 756,620.40 and 333,359.20 is: 460,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,254.72 : 756,620.40 = 333,359.20 : x
  2. Step 2: Convert to fraction form
    548,254.72/756,620.40 = 333,359.20/x
  3. Step 3: Cross multiply
    548,254.72x = 756,620.40 × 333,359.20
  4. Step 4: Simplify right side
    548,254.72x = 252,226,371,247.68
  5. Step 5: Solve for x
    x = 252,226,371,247.68/548,254.72
  6. Step 6: Final answer
    x = 460,053.26

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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.