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Finding the Fourth Proportional to 311,315.22, 466,534.80 and 177,995.70

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Solution

The fourth proportional to 311,315.22, 466,534.80 and 177,995.70 is: 266,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,315.22 : 466,534.80 = 177,995.70 : x
  2. Step 2: Convert to fraction form
    311,315.22/466,534.80 = 177,995.70/x
  3. Step 3: Cross multiply
    311,315.22x = 466,534.80 × 177,995.70
  4. Step 4: Simplify right side
    311,315.22x = 83,041,188,300.36
  5. Step 5: Solve for x
    x = 83,041,188,300.36/311,315.22
  6. Step 6: Final answer
    x = 266,743.10

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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.