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Finding the Fourth Proportional to 368,026.80, 552,364.20 and 218,079.60

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Solution

The fourth proportional to 368,026.80, 552,364.20 and 218,079.60 is: 327,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,026.80 : 552,364.20 = 218,079.60 : x
  2. Step 2: Convert to fraction form
    368,026.80/552,364.20 = 218,079.60/x
  3. Step 3: Cross multiply
    368,026.80x = 552,364.20 × 218,079.60
  4. Step 4: Simplify right side
    368,026.80x = 120,459,363,790.32
  5. Step 5: Solve for x
    x = 120,459,363,790.32/368,026.80
  6. Step 6: Final answer
    x = 327,311.39

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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.