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Finding the Fourth Proportional to 313,497.14, 432,611.58 and 177,527.97

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Solution

The fourth proportional to 313,497.14, 432,611.58 and 177,527.97 is: 244,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,497.14 : 432,611.58 = 177,527.97 : x
  2. Step 2: Convert to fraction form
    313,497.14/432,611.58 = 177,527.97/x
  3. Step 3: Cross multiply
    313,497.14x = 432,611.58 × 177,527.97
  4. Step 4: Simplify right side
    313,497.14x = 76,800,657,296.86
  5. Step 5: Solve for x
    x = 76,800,657,296.86/313,497.14
  6. Step 6: Final answer
    x = 244,980.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.