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Finding the Fourth Proportional to 653,141.82, 901,327.78 and 366,654.54

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Solution

The fourth proportional to 653,141.82, 901,327.78 and 366,654.54 is: 505,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,141.82 : 901,327.78 = 366,654.54 : x
  2. Step 2: Convert to fraction form
    653,141.82/901,327.78 = 366,654.54/x
  3. Step 3: Cross multiply
    653,141.82x = 901,327.78 × 366,654.54
  4. Step 4: Simplify right side
    653,141.82x = 330,475,922,565.12
  5. Step 5: Solve for x
    x = 330,475,922,565.12/653,141.82
  6. Step 6: Final answer
    x = 505,978.81

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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.