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Finding the Fourth Proportional to 657,682.50, 986,506.74 and 177,956.76

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Solution

The fourth proportional to 657,682.50, 986,506.74 and 177,956.76 is: 266,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,682.50 : 986,506.74 = 177,956.76 : x
  2. Step 2: Convert to fraction form
    657,682.50/986,506.74 = 177,956.76/x
  3. Step 3: Cross multiply
    657,682.50x = 986,506.74 × 177,956.76
  4. Step 4: Simplify right side
    657,682.50x = 175,555,543,168.56
  5. Step 5: Solve for x
    x = 175,555,543,168.56/657,682.50
  6. Step 6: Final answer
    x = 266,930.54

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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.