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Finding the Fourth Proportional to 311,337.09, 467,071.29 and 100,958.67

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Solution

The fourth proportional to 311,337.09, 467,071.29 and 100,958.67 is: 151,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,337.09 : 467,071.29 = 100,958.67 : x
  2. Step 2: Convert to fraction form
    311,337.09/467,071.29 = 100,958.67/x
  3. Step 3: Cross multiply
    311,337.09x = 467,071.29 × 100,958.67
  4. Step 4: Simplify right side
    311,337.09x = 47,154,896,233.58
  5. Step 5: Solve for x
    x = 47,154,896,233.58/311,337.09
  6. Step 6: Final answer
    x = 151,459.30

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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.