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Finding the Fourth Proportional to 418,682.73, 577,786.59 and 227,696.07

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Solution

The fourth proportional to 418,682.73, 577,786.59 and 227,696.07 is: 314,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,682.73 : 577,786.59 = 227,696.07 : x
  2. Step 2: Convert to fraction form
    418,682.73/577,786.59 = 227,696.07/x
  3. Step 3: Cross multiply
    418,682.73x = 577,786.59 × 227,696.07
  4. Step 4: Simplify right side
    418,682.73x = 131,559,735,841.70
  5. Step 5: Solve for x
    x = 131,559,735,841.70/418,682.73
  6. Step 6: Final answer
    x = 314,222.98

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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.