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Finding the Fourth Proportional to 536,344.20, 739,920.42 and 332,340.84

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Solution

The fourth proportional to 536,344.20, 739,920.42 and 332,340.84 is: 458,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,344.20 : 739,920.42 = 332,340.84 : x
  2. Step 2: Convert to fraction form
    536,344.20/739,920.42 = 332,340.84/x
  3. Step 3: Cross multiply
    536,344.20x = 739,920.42 × 332,340.84
  4. Step 4: Simplify right side
    536,344.20x = 245,905,773,915.95
  5. Step 5: Solve for x
    x = 245,905,773,915.95/536,344.20
  6. Step 6: Final answer
    x = 458,485.01

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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.