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Finding the Fourth Proportional to 296,678.94, 444,985.73 and 83,453.61

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Solution

The fourth proportional to 296,678.94, 444,985.73 and 83,453.61 is: 125,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,678.94 : 444,985.73 = 83,453.61 : x
  2. Step 2: Convert to fraction form
    296,678.94/444,985.73 = 83,453.61/x
  3. Step 3: Cross multiply
    296,678.94x = 444,985.73 × 83,453.61
  4. Step 4: Simplify right side
    296,678.94x = 37,135,667,004.26
  5. Step 5: Solve for x
    x = 37,135,667,004.26/296,678.94
  6. Step 6: Final answer
    x = 125,171.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.