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Finding the Fourth Proportional to 433,845.60, 650,768.40 and 281,630.40

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Solution

The fourth proportional to 433,845.60, 650,768.40 and 281,630.40 is: 422,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,845.60 : 650,768.40 = 281,630.40 : x
  2. Step 2: Convert to fraction form
    433,845.60/650,768.40 = 281,630.40/x
  3. Step 3: Cross multiply
    433,845.60x = 650,768.40 × 281,630.40
  4. Step 4: Simplify right side
    433,845.60x = 183,276,164,799.36
  5. Step 5: Solve for x
    x = 183,276,164,799.36/433,845.60
  6. Step 6: Final answer
    x = 422,445.60

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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.