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Finding the Fourth Proportional to 365,244.90, 547,911.09 and 154,855.50

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Solution

The fourth proportional to 365,244.90, 547,911.09 and 154,855.50 is: 232,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,244.90 : 547,911.09 = 154,855.50 : x
  2. Step 2: Convert to fraction form
    365,244.90/547,911.09 = 154,855.50/x
  3. Step 3: Cross multiply
    365,244.90x = 547,911.09 × 154,855.50
  4. Step 4: Simplify right side
    365,244.90x = 84,847,045,797.50
  5. Step 5: Solve for x
    x = 84,847,045,797.50/365,244.90
  6. Step 6: Final answer
    x = 232,301.79

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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.