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Finding the Fourth Proportional to 365,736.60, 547,535.70 and 260,760.60

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Solution

The fourth proportional to 365,736.60, 547,535.70 and 260,760.60 is: 390,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,736.60 : 547,535.70 = 260,760.60 : x
  2. Step 2: Convert to fraction form
    365,736.60/547,535.70 = 260,760.60/x
  3. Step 3: Cross multiply
    365,736.60x = 547,535.70 × 260,760.60
  4. Step 4: Simplify right side
    365,736.60x = 142,775,737,653.42
  5. Step 5: Solve for x
    x = 142,775,737,653.42/365,736.60
  6. Step 6: Final answer
    x = 390,378.59

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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.