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Finding the Fourth Proportional to 293,163.60, 439,745.40 and 275,667.60

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Solution

The fourth proportional to 293,163.60, 439,745.40 and 275,667.60 is: 413,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,163.60 : 439,745.40 = 275,667.60 : x
  2. Step 2: Convert to fraction form
    293,163.60/439,745.40 = 275,667.60/x
  3. Step 3: Cross multiply
    293,163.60x = 439,745.40 × 275,667.60
  4. Step 4: Simplify right side
    293,163.60x = 121,223,559,029.04
  5. Step 5: Solve for x
    x = 121,223,559,029.04/293,163.60
  6. Step 6: Final answer
    x = 413,501.40

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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.