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Finding the Fourth Proportional to 493,188.68, 680,600.38 and 266,834.18

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Solution

The fourth proportional to 493,188.68, 680,600.38 and 266,834.18 is: 368,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,188.68 : 680,600.38 = 266,834.18 : x
  2. Step 2: Convert to fraction form
    493,188.68/680,600.38 = 266,834.18/x
  3. Step 3: Cross multiply
    493,188.68x = 680,600.38 × 266,834.18
  4. Step 4: Simplify right side
    493,188.68x = 181,607,444,304.99
  5. Step 5: Solve for x
    x = 181,607,444,304.99/493,188.68
  6. Step 6: Final answer
    x = 368,231.17

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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.