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Finding the Fourth Proportional to 362,168.55, 499,768.36 and 219,007.53

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Solution

The fourth proportional to 362,168.55, 499,768.36 and 219,007.53 is: 302,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,168.55 : 499,768.36 = 219,007.53 : x
  2. Step 2: Convert to fraction form
    362,168.55/499,768.36 = 219,007.53/x
  3. Step 3: Cross multiply
    362,168.55x = 499,768.36 × 219,007.53
  4. Step 4: Simplify right side
    362,168.55x = 109,453,034,095.75
  5. Step 5: Solve for x
    x = 109,453,034,095.75/362,168.55
  6. Step 6: Final answer
    x = 302,215.73

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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.