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Finding the Fourth Proportional to 493,346.33, 680,817.92 and 266,991.83

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Solution

The fourth proportional to 493,346.33, 680,817.92 and 266,991.83 is: 368,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,346.33 : 680,817.92 = 266,991.83 : x
  2. Step 2: Convert to fraction form
    493,346.33/680,817.92 = 266,991.83/x
  3. Step 3: Cross multiply
    493,346.33x = 680,817.92 × 266,991.83
  4. Step 4: Simplify right side
    493,346.33x = 181,772,817,618.55
  5. Step 5: Solve for x
    x = 181,772,817,618.55/493,346.33
  6. Step 6: Final answer
    x = 368,448.71

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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.