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Finding the Fourth Proportional to 324,444.94, 486,667.40 and 122,079.09

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Solution

The fourth proportional to 324,444.94, 486,667.40 and 122,079.09 is: 183,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,444.94 : 486,667.40 = 122,079.09 : x
  2. Step 2: Convert to fraction form
    324,444.94/486,667.40 = 122,079.09/x
  3. Step 3: Cross multiply
    324,444.94x = 486,667.40 × 122,079.09
  4. Step 4: Simplify right side
    324,444.94x = 59,411,913,629.86
  5. Step 5: Solve for x
    x = 59,411,913,629.86/324,444.94
  6. Step 6: Final answer
    x = 183,118.63

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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.