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Finding the Fourth Proportional to 354,885.60, 532,328.40 and 168,261.60

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Solution

The fourth proportional to 354,885.60, 532,328.40 and 168,261.60 is: 252,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,885.60 : 532,328.40 = 168,261.60 : x
  2. Step 2: Convert to fraction form
    354,885.60/532,328.40 = 168,261.60/x
  3. Step 3: Cross multiply
    354,885.60x = 532,328.40 × 168,261.60
  4. Step 4: Simplify right side
    354,885.60x = 89,570,428,309.44
  5. Step 5: Solve for x
    x = 89,570,428,309.44/354,885.60
  6. Step 6: Final answer
    x = 252,392.40

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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.