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Finding the Fourth Proportional to 365,410.60, 548,115.90 and 282,364.20

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Solution

The fourth proportional to 365,410.60, 548,115.90 and 282,364.20 is: 423,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,410.60 : 548,115.90 = 282,364.20 : x
  2. Step 2: Convert to fraction form
    365,410.60/548,115.90 = 282,364.20/x
  3. Step 3: Cross multiply
    365,410.60x = 548,115.90 × 282,364.20
  4. Step 4: Simplify right side
    365,410.60x = 154,768,307,610.78
  5. Step 5: Solve for x
    x = 154,768,307,610.78/365,410.60
  6. Step 6: Final answer
    x = 423,546.30

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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.