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Finding the Fourth Proportional to 418,532.94, 577,572.59 and 227,546.33

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Solution

The fourth proportional to 418,532.94, 577,572.59 and 227,546.33 is: 314,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,532.94 : 577,572.59 = 227,546.33 : x
  2. Step 2: Convert to fraction form
    418,532.94/577,572.59 = 227,546.33/x
  3. Step 3: Cross multiply
    418,532.94x = 577,572.59 × 227,546.33
  4. Step 4: Simplify right side
    418,532.94x = 131,424,519,137.50
  5. Step 5: Solve for x
    x = 131,424,519,137.50/418,532.94
  6. Step 6: Final answer
    x = 314,012.37

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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.