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Finding the Fourth Proportional to 354,497.40, 532,091.70 and 177,204.60

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Solution

The fourth proportional to 354,497.40, 532,091.70 and 177,204.60 is: 265,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,497.40 : 532,091.70 = 177,204.60 : x
  2. Step 2: Convert to fraction form
    354,497.40/532,091.70 = 177,204.60/x
  3. Step 3: Cross multiply
    354,497.40x = 532,091.70 × 177,204.60
  4. Step 4: Simplify right side
    354,497.40x = 94,289,096,861.82
  5. Step 5: Solve for x
    x = 94,289,096,861.82/354,497.40
  6. Step 6: Final answer
    x = 265,979.66

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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.