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Finding the Fourth Proportional to 365,354.40, 547,772.40 and 165,770.40

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Solution

The fourth proportional to 365,354.40, 547,772.40 and 165,770.40 is: 248,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,354.40 : 547,772.40 = 165,770.40 : x
  2. Step 2: Convert to fraction form
    365,354.40/547,772.40 = 165,770.40/x
  3. Step 3: Cross multiply
    365,354.40x = 547,772.40 × 165,770.40
  4. Step 4: Simplify right side
    365,354.40x = 90,804,449,856.96
  5. Step 5: Solve for x
    x = 90,804,449,856.96/365,354.40
  6. Step 6: Final answer
    x = 248,537.99

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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.