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Finding the Fourth Proportional to 493,526.14, 681,053.54 and 275,736.49

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Solution

The fourth proportional to 493,526.14, 681,053.54 and 275,736.49 is: 380,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,526.14 : 681,053.54 = 275,736.49 : x
  2. Step 2: Convert to fraction form
    493,526.14/681,053.54 = 275,736.49/x
  3. Step 3: Cross multiply
    493,526.14x = 681,053.54 × 275,736.49
  4. Step 4: Simplify right side
    493,526.14x = 187,791,309,540.36
  5. Step 5: Solve for x
    x = 187,791,309,540.36/493,526.14
  6. Step 6: Final answer
    x = 380,509.35

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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.