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Finding the Fourth Proportional to 493,330.73, 680,796.40 and 266,976.23

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Solution

The fourth proportional to 493,330.73, 680,796.40 and 266,976.23 is: 368,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,330.73 : 680,796.40 = 266,976.23 : x
  2. Step 2: Convert to fraction form
    493,330.73/680,796.40 = 266,976.23/x
  3. Step 3: Cross multiply
    493,330.73x = 680,796.40 × 266,976.23
  4. Step 4: Simplify right side
    493,330.73x = 181,756,454,934.69
  5. Step 5: Solve for x
    x = 181,756,454,934.69/493,330.73
  6. Step 6: Final answer
    x = 368,427.19

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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.