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Finding the Fourth Proportional to 313,087.60, 432,060.67 and 169,847.67

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Solution

The fourth proportional to 313,087.60, 432,060.67 and 169,847.67 is: 234,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,087.60 : 432,060.67 = 169,847.67 : x
  2. Step 2: Convert to fraction form
    313,087.60/432,060.67 = 169,847.67/x
  3. Step 3: Cross multiply
    313,087.60x = 432,060.67 × 169,847.67
  4. Step 4: Simplify right side
    313,087.60x = 73,384,497,673.52
  5. Step 5: Solve for x
    x = 73,384,497,673.52/313,087.60
  6. Step 6: Final answer
    x = 234,389.67

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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.