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Finding the Fourth Proportional to 269,448.40, 404,172.60 and 119,688.40

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Solution

The fourth proportional to 269,448.40, 404,172.60 and 119,688.40 is: 179,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,448.40 : 404,172.60 = 119,688.40 : x
  2. Step 2: Convert to fraction form
    269,448.40/404,172.60 = 119,688.40/x
  3. Step 3: Cross multiply
    269,448.40x = 404,172.60 × 119,688.40
  4. Step 4: Simplify right side
    269,448.40x = 48,374,771,817.84
  5. Step 5: Solve for x
    x = 48,374,771,817.84/269,448.40
  6. Step 6: Final answer
    x = 179,532.60

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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.