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Finding the Fourth Proportional to 534,445.60, 801,741.30 and 197,404.60

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Solution

The fourth proportional to 534,445.60, 801,741.30 and 197,404.60 is: 296,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,445.60 : 801,741.30 = 197,404.60 : x
  2. Step 2: Convert to fraction form
    534,445.60/801,741.30 = 197,404.60/x
  3. Step 3: Cross multiply
    534,445.60x = 801,741.30 × 197,404.60
  4. Step 4: Simplify right side
    534,445.60x = 158,267,420,629.98
  5. Step 5: Solve for x
    x = 158,267,420,629.98/534,445.60
  6. Step 6: Final answer
    x = 296,133.83

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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.