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Finding the Fourth Proportional to 493,326.66, 680,792.97 and 266,972.22

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Solution

The fourth proportional to 493,326.66, 680,792.97 and 266,972.22 is: 368,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,326.66 : 680,792.97 = 266,972.22 : x
  2. Step 2: Convert to fraction form
    493,326.66/680,792.97 = 266,972.22/x
  3. Step 3: Cross multiply
    493,326.66x = 680,792.97 × 266,972.22
  4. Step 4: Simplify right side
    493,326.66x = 181,752,810,561.29
  5. Step 5: Solve for x
    x = 181,752,810,561.29/493,326.66
  6. Step 6: Final answer
    x = 368,422.84

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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.