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Finding the Fourth Proportional to 308,110.40, 462,165.60 and 202,356.80

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Solution

The fourth proportional to 308,110.40, 462,165.60 and 202,356.80 is: 303,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,110.40 : 462,165.60 = 202,356.80 : x
  2. Step 2: Convert to fraction form
    308,110.40/462,165.60 = 202,356.80/x
  3. Step 3: Cross multiply
    308,110.40x = 462,165.60 × 202,356.80
  4. Step 4: Simplify right side
    308,110.40x = 93,522,351,886.08
  5. Step 5: Solve for x
    x = 93,522,351,886.08/308,110.40
  6. Step 6: Final answer
    x = 303,535.20

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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.