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Finding the Fourth Proportional to 221,486.90, 332,230.35 and 151,502.90

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Solution

The fourth proportional to 221,486.90, 332,230.35 and 151,502.90 is: 227,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,486.90 : 332,230.35 = 151,502.90 : x
  2. Step 2: Convert to fraction form
    221,486.90/332,230.35 = 151,502.90/x
  3. Step 3: Cross multiply
    221,486.90x = 332,230.35 × 151,502.90
  4. Step 4: Simplify right side
    221,486.90x = 50,333,861,493.02
  5. Step 5: Solve for x
    x = 50,333,861,493.02/221,486.90
  6. Step 6: Final answer
    x = 227,254.35

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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.