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Finding the Fourth Proportional to 433,600.60, 650,400.90 and 274,168.30

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Solution

The fourth proportional to 433,600.60, 650,400.90 and 274,168.30 is: 411,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,600.60 : 650,400.90 = 274,168.30 : x
  2. Step 2: Convert to fraction form
    433,600.60/650,400.90 = 274,168.30/x
  3. Step 3: Cross multiply
    433,600.60x = 650,400.90 × 274,168.30
  4. Step 4: Simplify right side
    433,600.60x = 178,319,309,071.47
  5. Step 5: Solve for x
    x = 178,319,309,071.47/433,600.60
  6. Step 6: Final answer
    x = 411,252.45

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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.