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Finding the Fourth Proportional to 365,700.60, 547,481.70 and 260,724.60

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Solution

The fourth proportional to 365,700.60, 547,481.70 and 260,724.60 is: 390,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,700.60 : 547,481.70 = 260,724.60 : x
  2. Step 2: Convert to fraction form
    365,700.60/547,481.70 = 260,724.60/x
  3. Step 3: Cross multiply
    365,700.60x = 547,481.70 × 260,724.60
  4. Step 4: Simplify right side
    365,700.60x = 142,741,947,239.82
  5. Step 5: Solve for x
    x = 142,741,947,239.82/365,700.60
  6. Step 6: Final answer
    x = 390,324.62

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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.