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Finding the Fourth Proportional to 260,576.73, 392,616.86 and 235,644.93

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Solution

The fourth proportional to 260,576.73, 392,616.86 and 235,644.93 is: 355,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,576.73 : 392,616.86 = 235,644.93 : x
  2. Step 2: Convert to fraction form
    260,576.73/392,616.86 = 235,644.93/x
  3. Step 3: Cross multiply
    260,576.73x = 392,616.86 × 235,644.93
  4. Step 4: Simplify right side
    260,576.73x = 92,518,171,313.30
  5. Step 5: Solve for x
    x = 92,518,171,313.30/260,576.73
  6. Step 6: Final answer
    x = 355,051.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.