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Finding the Fourth Proportional to 265,617.60, 366,548.40 and 144,761.60

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Solution

The fourth proportional to 265,617.60, 366,548.40 and 144,761.60 is: 199,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,617.60 : 366,548.40 = 144,761.60 : x
  2. Step 2: Convert to fraction form
    265,617.60/366,548.40 = 144,761.60/x
  3. Step 3: Cross multiply
    265,617.60x = 366,548.40 × 144,761.60
  4. Step 4: Simplify right side
    265,617.60x = 53,062,132,861.44
  5. Step 5: Solve for x
    x = 53,062,132,861.44/265,617.60
  6. Step 6: Final answer
    x = 199,768.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.