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Finding the Fourth Proportional to 365,936.90, 548,905.35 and 308,200.10

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Solution

The fourth proportional to 365,936.90, 548,905.35 and 308,200.10 is: 462,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,936.90 : 548,905.35 = 308,200.10 : x
  2. Step 2: Convert to fraction form
    365,936.90/548,905.35 = 308,200.10/x
  3. Step 3: Cross multiply
    365,936.90x = 548,905.35 × 308,200.10
  4. Step 4: Simplify right side
    365,936.90x = 169,172,683,760.54
  5. Step 5: Solve for x
    x = 169,172,683,760.54/365,936.90
  6. Step 6: Final answer
    x = 462,300.15

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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.