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Finding the Fourth Proportional to 354,744.10, 532,444.20 and 177,378.40

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Solution

The fourth proportional to 354,744.10, 532,444.20 and 177,378.40 is: 266,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,744.10 : 532,444.20 = 177,378.40 : x
  2. Step 2: Convert to fraction form
    354,744.10/532,444.20 = 177,378.40/x
  3. Step 3: Cross multiply
    354,744.10x = 532,444.20 × 177,378.40
  4. Step 4: Simplify right side
    354,744.10x = 94,444,100,285.28
  5. Step 5: Solve for x
    x = 94,444,100,285.28/354,744.10
  6. Step 6: Final answer
    x = 266,231.63

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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.