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Finding the Fourth Proportional to 308,562.40, 462,843.60 and 151,098.40

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Solution

The fourth proportional to 308,562.40, 462,843.60 and 151,098.40 is: 226,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,562.40 : 462,843.60 = 151,098.40 : x
  2. Step 2: Convert to fraction form
    308,562.40/462,843.60 = 151,098.40/x
  3. Step 3: Cross multiply
    308,562.40x = 462,843.60 × 151,098.40
  4. Step 4: Simplify right side
    308,562.40x = 69,934,927,410.24
  5. Step 5: Solve for x
    x = 69,934,927,410.24/308,562.40
  6. Step 6: Final answer
    x = 226,647.60

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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.