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Finding the Fourth Proportional to 539,384.49, 809,573.67 and 273,333.51

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Solution

The fourth proportional to 539,384.49, 809,573.67 and 273,333.51 is: 410,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,384.49 : 809,573.67 = 273,333.51 : x
  2. Step 2: Convert to fraction form
    539,384.49/809,573.67 = 273,333.51/x
  3. Step 3: Cross multiply
    539,384.49x = 809,573.67 × 273,333.51
  4. Step 4: Simplify right side
    539,384.49x = 221,283,612,824.68
  5. Step 5: Solve for x
    x = 221,283,612,824.68/539,384.49
  6. Step 6: Final answer
    x = 410,252.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.