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Finding the Fourth Proportional to 365,005.20, 547,289.10 and 187,858.20

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Solution

The fourth proportional to 365,005.20, 547,289.10 and 187,858.20 is: 281,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,005.20 : 547,289.10 = 187,858.20 : x
  2. Step 2: Convert to fraction form
    365,005.20/547,289.10 = 187,858.20/x
  3. Step 3: Cross multiply
    365,005.20x = 547,289.10 × 187,858.20
  4. Step 4: Simplify right side
    365,005.20x = 102,812,745,205.62
  5. Step 5: Solve for x
    x = 102,812,745,205.62/365,005.20
  6. Step 6: Final answer
    x = 281,674.74

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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.