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Finding the Fourth Proportional to 332,920.40, 499,506.35 and 199,893.42

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Solution

The fourth proportional to 332,920.40, 499,506.35 and 199,893.42 is: 299,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,920.40 : 499,506.35 = 199,893.42 : x
  2. Step 2: Convert to fraction form
    332,920.40/499,506.35 = 199,893.42/x
  3. Step 3: Cross multiply
    332,920.40x = 499,506.35 × 199,893.42
  4. Step 4: Simplify right side
    332,920.40x = 99,848,031,613.75
  5. Step 5: Solve for x
    x = 99,848,031,613.75/332,920.40
  6. Step 6: Final answer
    x = 299,915.63

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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.