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Finding the Fourth Proportional to 534,446.60, 801,742.80 and 197,405.60

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Solution

The fourth proportional to 534,446.60, 801,742.80 and 197,405.60 is: 296,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,446.60 : 801,742.80 = 197,405.60 : x
  2. Step 2: Convert to fraction form
    534,446.60/801,742.80 = 197,405.60/x
  3. Step 3: Cross multiply
    534,446.60x = 801,742.80 × 197,405.60
  4. Step 4: Simplify right side
    534,446.60x = 158,268,518,479.68
  5. Step 5: Solve for x
    x = 158,268,518,479.68/534,446.60
  6. Step 6: Final answer
    x = 296,135.33

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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.