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Finding the Fourth Proportional to 493,324.16, 680,789.52 and 266,969.72

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Solution

The fourth proportional to 493,324.16, 680,789.52 and 266,969.72 is: 368,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,324.16 : 680,789.52 = 266,969.72 : x
  2. Step 2: Convert to fraction form
    493,324.16/680,789.52 = 266,969.72/x
  3. Step 3: Cross multiply
    493,324.16x = 680,789.52 × 266,969.72
  4. Step 4: Simplify right side
    493,324.16x = 181,750,187,533.33
  5. Step 5: Solve for x
    x = 181,750,187,533.33/493,324.16
  6. Step 6: Final answer
    x = 368,419.39

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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.