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Finding the Fourth Proportional to 452,471.58, 678,794.81 and 171,966.96

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Solution

The fourth proportional to 452,471.58, 678,794.81 and 171,966.96 is: 257,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,471.58 : 678,794.81 = 171,966.96 : x
  2. Step 2: Convert to fraction form
    452,471.58/678,794.81 = 171,966.96/x
  3. Step 3: Cross multiply
    452,471.58x = 678,794.81 × 171,966.96
  4. Step 4: Simplify right side
    452,471.58x = 116,730,279,079.64
  5. Step 5: Solve for x
    x = 116,730,279,079.64/452,471.58
  6. Step 6: Final answer
    x = 257,983.67

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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.