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Finding the Fourth Proportional to 664,393.44, 916,850.16 and 362,589.60

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Solution

The fourth proportional to 664,393.44, 916,850.16 and 362,589.60 is: 500,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,393.44 : 916,850.16 = 362,589.60 : x
  2. Step 2: Convert to fraction form
    664,393.44/916,850.16 = 362,589.60/x
  3. Step 3: Cross multiply
    664,393.44x = 916,850.16 × 362,589.60
  4. Step 4: Simplify right side
    664,393.44x = 332,440,332,774.34
  5. Step 5: Solve for x
    x = 332,440,332,774.34/664,393.44
  6. Step 6: Final answer
    x = 500,366.67

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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.