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Finding the Fourth Proportional to 476,995.98, 658,294.86 and 324,372.76

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Solution

The fourth proportional to 476,995.98, 658,294.86 and 324,372.76 is: 447,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,995.98 : 658,294.86 = 324,372.76 : x
  2. Step 2: Convert to fraction form
    476,995.98/658,294.86 = 324,372.76/x
  3. Step 3: Cross multiply
    476,995.98x = 658,294.86 × 324,372.76
  4. Step 4: Simplify right side
    476,995.98x = 213,532,923,462.86
  5. Step 5: Solve for x
    x = 213,532,923,462.86/476,995.98
  6. Step 6: Final answer
    x = 447,661.90

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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.