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Finding the Fourth Proportional to 434,585.60, 651,489.60 and 168,257.60

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Solution

The fourth proportional to 434,585.60, 651,489.60 and 168,257.60 is: 252,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,585.60 : 651,489.60 = 168,257.60 : x
  2. Step 2: Convert to fraction form
    434,585.60/651,489.60 = 168,257.60/x
  3. Step 3: Cross multiply
    434,585.60x = 651,489.60 × 168,257.60
  4. Step 4: Simplify right side
    434,585.60x = 109,618,076,520.96
  5. Step 5: Solve for x
    x = 109,618,076,520.96/434,585.60
  6. Step 6: Final answer
    x = 252,235.87

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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.