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Finding the Fourth Proportional to 365,590.70, 548,558.85 and 155,408.30

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Solution

The fourth proportional to 365,590.70, 548,558.85 and 155,408.30 is: 233,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590.70 : 548,558.85 = 155,408.30 : x
  2. Step 2: Convert to fraction form
    365,590.70/548,558.85 = 155,408.30/x
  3. Step 3: Cross multiply
    365,590.70x = 548,558.85 × 155,408.30
  4. Step 4: Simplify right side
    365,590.70x = 85,250,598,328.46
  5. Step 5: Solve for x
    x = 85,250,598,328.46/365,590.70
  6. Step 6: Final answer
    x = 233,185.91

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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.