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Finding the Fourth Proportional to 354,680.40, 532,020.60 and 168,056.40

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Solution

The fourth proportional to 354,680.40, 532,020.60 and 168,056.40 is: 252,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,680.40 : 532,020.60 = 168,056.40 : x
  2. Step 2: Convert to fraction form
    354,680.40/532,020.60 = 168,056.40/x
  3. Step 3: Cross multiply
    354,680.40x = 532,020.60 × 168,056.40
  4. Step 4: Simplify right side
    354,680.40x = 89,409,466,761.84
  5. Step 5: Solve for x
    x = 89,409,466,761.84/354,680.40
  6. Step 6: Final answer
    x = 252,084.60

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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.