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Finding the Fourth Proportional to 363,608.40, 501,777.90 and 202,465.20

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Solution

The fourth proportional to 363,608.40, 501,777.90 and 202,465.20 is: 279,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,608.40 : 501,777.90 = 202,465.20 : x
  2. Step 2: Convert to fraction form
    363,608.40/501,777.90 = 202,465.20/x
  3. Step 3: Cross multiply
    363,608.40x = 501,777.90 × 202,465.20
  4. Step 4: Simplify right side
    363,608.40x = 101,592,562,879.08
  5. Step 5: Solve for x
    x = 101,592,562,879.08/363,608.40
  6. Step 6: Final answer
    x = 279,401.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.