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Finding the Fourth Proportional to 365,899.20, 548,848.80 and 276,086.40

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Solution

The fourth proportional to 365,899.20, 548,848.80 and 276,086.40 is: 414,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,899.20 : 548,848.80 = 276,086.40 : x
  2. Step 2: Convert to fraction form
    365,899.20/548,848.80 = 276,086.40/x
  3. Step 3: Cross multiply
    365,899.20x = 548,848.80 × 276,086.40
  4. Step 4: Simplify right side
    365,899.20x = 151,529,689,336.32
  5. Step 5: Solve for x
    x = 151,529,689,336.32/365,899.20
  6. Step 6: Final answer
    x = 414,129.60

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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.