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Finding the Fourth Proportional to 607,433.70, 911,259.90 and 252,483.60

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Solution

The fourth proportional to 607,433.70, 911,259.90 and 252,483.60 is: 378,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,433.70 : 911,259.90 = 252,483.60 : x
  2. Step 2: Convert to fraction form
    607,433.70/911,259.90 = 252,483.60/x
  3. Step 3: Cross multiply
    607,433.70x = 911,259.90 × 252,483.60
  4. Step 4: Simplify right side
    607,433.70x = 230,078,180,087.64
  5. Step 5: Solve for x
    x = 230,078,180,087.64/607,433.70
  6. Step 6: Final answer
    x = 378,770.85

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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.