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Finding the Fourth Proportional to 368,659.54, 552,103.57 and 210,408.22

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Solution

The fourth proportional to 368,659.54, 552,103.57 and 210,408.22 is: 315,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,659.54 : 552,103.57 = 210,408.22 : x
  2. Step 2: Convert to fraction form
    368,659.54/552,103.57 = 210,408.22/x
  3. Step 3: Cross multiply
    368,659.54x = 552,103.57 × 210,408.22
  4. Step 4: Simplify right side
    368,659.54x = 116,167,129,419.35
  5. Step 5: Solve for x
    x = 116,167,129,419.35/368,659.54
  6. Step 6: Final answer
    x = 315,106.80

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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.