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Finding the Fourth Proportional to 294,257.60, 441,616.80 and 136,505.60

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Solution

The fourth proportional to 294,257.60, 441,616.80 and 136,505.60 is: 204,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,257.60 : 441,616.80 = 136,505.60 : x
  2. Step 2: Convert to fraction form
    294,257.60/441,616.80 = 136,505.60/x
  3. Step 3: Cross multiply
    294,257.60x = 441,616.80 × 136,505.60
  4. Step 4: Simplify right side
    294,257.60x = 60,283,166,254.08
  5. Step 5: Solve for x
    x = 60,283,166,254.08/294,257.60
  6. Step 6: Final answer
    x = 204,865.28

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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.