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Finding the Fourth Proportional to 365,592.30, 548,712.45 and 215,645.10

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Solution

The fourth proportional to 365,592.30, 548,712.45 and 215,645.10 is: 323,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,592.30 : 548,712.45 = 215,645.10 : x
  2. Step 2: Convert to fraction form
    365,592.30/548,712.45 = 215,645.10/x
  3. Step 3: Cross multiply
    365,592.30x = 548,712.45 × 215,645.10
  4. Step 4: Simplify right side
    365,592.30x = 118,327,151,151.50
  5. Step 5: Solve for x
    x = 118,327,151,151.50/365,592.30
  6. Step 6: Final answer
    x = 323,658.76

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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.