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Finding the Fourth Proportional to 671,995.67, 927,353.61 and 370,189.67

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Solution

The fourth proportional to 671,995.67, 927,353.61 and 370,189.67 is: 510,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,995.67 : 927,353.61 = 370,189.67 : x
  2. Step 2: Convert to fraction form
    671,995.67/927,353.61 = 370,189.67/x
  3. Step 3: Cross multiply
    671,995.67x = 927,353.61 × 370,189.67
  4. Step 4: Simplify right side
    671,995.67x = 343,296,726,859.21
  5. Step 5: Solve for x
    x = 343,296,726,859.21/671,995.67
  6. Step 6: Final answer
    x = 510,861.52

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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.