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Finding the Fourth Proportional to 332,216.85, 458,299.85 and 217,444.98

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Solution

The fourth proportional to 332,216.85, 458,299.85 and 217,444.98 is: 299,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,216.85 : 458,299.85 = 217,444.98 : x
  2. Step 2: Convert to fraction form
    332,216.85/458,299.85 = 217,444.98/x
  3. Step 3: Cross multiply
    332,216.85x = 458,299.85 × 217,444.98
  4. Step 4: Simplify right side
    332,216.85x = 99,655,000,630.03
  5. Step 5: Solve for x
    x = 99,655,000,630.03/332,216.85
  6. Step 6: Final answer
    x = 299,969.74

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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.