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Finding the Fourth Proportional to 499,440.08, 749,140.16 and 275,245.04

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Solution

The fourth proportional to 499,440.08, 749,140.16 and 275,245.04 is: 412,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,440.08 : 749,140.16 = 275,245.04 : x
  2. Step 2: Convert to fraction form
    499,440.08/749,140.16 = 275,245.04/x
  3. Step 3: Cross multiply
    499,440.08x = 749,140.16 × 275,245.04
  4. Step 4: Simplify right side
    499,440.08x = 206,197,113,304.81
  5. Step 5: Solve for x
    x = 206,197,113,304.81/499,440.08
  6. Step 6: Final answer
    x = 412,856.56

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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.