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Finding the Fourth Proportional to 334,853.20, 503,446.20 and 283,531.60

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Solution

The fourth proportional to 334,853.20, 503,446.20 and 283,531.60 is: 426,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,853.20 : 503,446.20 = 283,531.60 : x
  2. Step 2: Convert to fraction form
    334,853.20/503,446.20 = 283,531.60/x
  3. Step 3: Cross multiply
    334,853.20x = 503,446.20 × 283,531.60
  4. Step 4: Simplify right side
    334,853.20x = 142,742,906,599.92
  5. Step 5: Solve for x
    x = 142,742,906,599.92/334,853.20
  6. Step 6: Final answer
    x = 426,285.03

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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.