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Finding the Fourth Proportional to 534,059.20, 800,116.80 and 422,473.60

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Solution

The fourth proportional to 534,059.20, 800,116.80 and 422,473.60 is: 632,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,059.20 : 800,116.80 = 422,473.60 : x
  2. Step 2: Convert to fraction form
    534,059.20/800,116.80 = 422,473.60/x
  3. Step 3: Cross multiply
    534,059.20x = 800,116.80 × 422,473.60
  4. Step 4: Simplify right side
    534,059.20x = 338,028,224,916.48
  5. Step 5: Solve for x
    x = 338,028,224,916.48/534,059.20
  6. Step 6: Final answer
    x = 632,941.49

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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.