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Finding the Fourth Proportional to 365,230.37, 547,845.55 and 98,990.88

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Solution

The fourth proportional to 365,230.37, 547,845.55 and 98,990.88 is: 148,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,230.37 : 547,845.55 = 98,990.88 : x
  2. Step 2: Convert to fraction form
    365,230.37/547,845.55 = 98,990.88/x
  3. Step 3: Cross multiply
    365,230.37x = 547,845.55 × 98,990.88
  4. Step 4: Simplify right side
    365,230.37x = 54,231,713,098.58
  5. Step 5: Solve for x
    x = 54,231,713,098.58/365,230.37
  6. Step 6: Final answer
    x = 148,486.32

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Similar ratio
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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.